demand

noun

1. （坚决的）要求；所需之物
   a very firm request for sth; sth that sb needs
   1. a demand for higher pay
      增加工资的要求
   2. demands that the law on gun ownership should be changed
      要求修改枪械持有法的呼声
   3. firms attempting to meet/satisfy their customers' demands (= to give them what they are asking for)
      尽力满足客户要求的商行
2. （尤指困难、使人劳累、令人烦恼等的）要求
   things that sb/sth makes you do, especially things that are difficult, make you tired, worried, etc.
   1. the demands of children/work
      孩子烦人的事；工作中累人的事
   2. Flying makes enormous demands on pilots.
      驾驶飞机对飞行员要求很高。
3. （顾客的）需求，需要
   the desire or need of customers for goods or services which they want to buy or use
   1. to meet the demand for a product
      满足对某产品的需求
   2. There's an increased demand for organic produce these days.
      目前对有机农产品有更大的需求。
   3. Demand is exceeding supply.
      供不应求。

verb

1. 强烈要求
   to ask for sth very firmly
   1. She demanded an immediate explanation.
      她强烈要求立即作出解释。
   2. The UN has demanded that all troops be withdrawn.
      联合国已要求撤出所有部队。
   3. They are demanding that all troops should be withdrawn.
      他们强烈要求所有部队撤离。
   4. I demand to see the manager.
      我坚决要求见经理。
   5. ‘Who the hell are you?’ he demanded angrily.
      “你到底是谁？”他气势汹汹地查问道。
2. 需要
   to need sth in order to be done successfully
   1. This sport demands both speed and strength.
      这项运动既需要速度也需要体力。

1. VERB （强烈）要求;强令
   If you demand something such as information or action, you ask for it in a very forceful way.
   1. Mr Byers last night demanded an immediate explanation from the Education Secretary...
      昨晚拜尔斯先生要求教育大臣立刻作出解释。
   2. Russia demanded that Unita send a delegation to the peace talks...
      俄罗斯要求安盟派代表团参加和谈。
   3. The hijackers are demanding to speak to representatives of both governments...
      劫机者要求与两国政府的代表都进行对话。
   4. 'What did you expect me to do about it?' she demanded.
      “对此你期望我怎么办？”她质问道。
2. VERB 需要
   If one thing demands another, the first needs the second in order to happen or be dealt with successfully.
   1. He said the task of reconstruction would demand much patience, hard work and sacrifice...
      他说重建任务将需要付出极大的耐心、艰辛和牺牲。
   2. There would be fewer international crises demanding his attention...
      需要他去关注的国际危机将会减少。
   3. But he could also turn on the style when the occasion demanded.
      但是如果场合需要，他也能拿出派头来。
3. N-COUNT （坚决的）要求
   A demand is a firm request for something.
   1. There have been demands for services from tenants up there...
      那里的房客要求提供服务。
   2. They consistently rejected the demand to remove US troops...
      他们一再拒绝撤走美国部队的要求。
   3. He grew ever more fierce in his demands.
      他的要求变得越来越强硬了。
4. N-UNCOUNT 需求;需求量
   If you refer to demand, or to the demand for something, you are referring to how many people want to have it, do it, or buy it.
   1. Another flight would be arranged on Saturday if sufficient demand arose...
      如果需求量足够大，周六将再安排一趟航班。
   2. Demand for coal is down and so are prices...
      煤的需求下降了，煤价也相应下跌。
   3. The demand to see her work is much greater than expected...
      想要参观她作品的人数大大超出了预期。
   4. Because of the slump in domestic demand, production has stopped.
      由于国内需求大幅下降，生产已经停止。
5. N-PLURAL 所需（或要求）的事物
   The demands of something or its demands on you are the things which it needs or the things which you have to do for it.
   1. Researchers wrongly assumed that people were quite clear about the demands of the task.
      研究人员错误地认为大家都很清楚该项任务的要求。
   2. ...the demands and challenges of a new job...
      新工作的要求和挑战
   3. There were too many other demands on his loyalty now.
      现在还有太多其他的事情也要求他忠心。
6. PHRASE 很受欢迎;需求量大
   If someone or something is in demand or in great demand, they are very popular and a lot of people want them.
   1. He was much in demand as a lecturer in the US.
      他的讲座在美国很受欢迎。
7. PHRASE （对…）提出要求
   If someone or something makes demands on you, they require you to do things which need a lot of time, energy, or money.
   1. I had no right to make demands on his time.
      我无权占用他的时间。
8. PHRASE 一经要求;承索
   If something is available or happens on demand, you can have it or it happens whenever you want it or ask for it.
   1. ...a national commitment to providing treatment on demand for drug abusers.
      承诺在全国范围内为提出请求的吸毒者提供治疗

1. The rate of growth of GNP will depend upon the rate of growth of aggregate demand
   国民生产总值的增长率将取决于总需求的增长率。
2. Supply and demand on the currency market will generally balance.
   货币市场上的供求将大致持平。
3. The Commission can't demand from Sweden more than it demands from its own members.
   委员会对瑞典的要求不能比对自己的会员国要求都多。
4. Mr Byers last night demanded an immediate explanation from the Education Secretary
   昨晚拜尔斯先生要求教育大臣立刻作出解释。
5. Russia demanded that Unita send a delegation to the peace talks
   俄罗斯要求安盟派代表团参加和谈。
6. The hijackers are demanding to speak to representatives of both governments
   劫机者要求与两国政府的代表都进行对话。
7. He said the task of reconstruction would demand much patience, hard work and sacrifice
   他说重建任务将需要付出极大的耐心、艰辛和牺牲。
8. There would be fewer international crises demanding his attention
   需要他去关注的国际危机将会减少。
9. But he could also turn on the style when the occasion demanded.
   但是如果场合需要，他也能拿出派头来。
10. There have been demands for services from tenants up there
    那里的房客要求提供服务。
11. They consistently rejected the demand to remove US troops
    他们一再拒绝撤走美国部队的要求。
12. He grew ever more fierce in his demands.
    他的要求变得越来越强硬了。
13. Another flight would be arranged on Saturday if sufficient demand arose
    如果需求量足够大，周六将再安排一趟航班。
14. Demand for coal is down and so are prices
    煤的需求下降了，煤价也相应下跌。
15. The demand to see her work is much greater than expected
    想要参观她作品的人数大大超出了预期。
16. Because of the slump in domestic demand, production has stopped.
    由于国内需求大幅下降，生产已经停止。
17. Researchers wrongly assumed that people were quite clear about the demands of the task.
    研究人员错误地认为大家都很清楚该项任务的要求。
18. There were too many other demands on his loyalty now.
    现在还有太多其他的事情也要求他忠心。
19. He was much in demand as a lecturer in the US.
    他的讲座在美国很受欢迎。
20. I had no right to make demands on his time.
    我无权占用他的时间。
21. This has forced airlines to discount fares heavily in order to spur demand
    这迫使航空公司对机票大幅打折来刺激需求。
22. The heart of the problem is supply and demand
    问题的核心是供求关系。
23. Cheap goods are available, but not in sufficient quantities to satisfy demand
    有一些廉价的商品，但是数量不足以满足需求。
24. The reduced consumer demand is also affecting company profits.
    消费需求的降低也影响到了公司的利润。
25. It is self-evident that we will never have enough resources to meet the demand
    不言而喻，我们永远都不会有足够的资源来满足需求。
26. Prices change according to supply and demand.
    价格受供求关系的影响。
27. Surging imports will add to the demand for hard currency.
    进口激增将增加对硬通货的需求。
28. In production, we demand not only quantity but also quality.
    我们的产品不但要求数量多，而且要求质量高。
29. The supply exceeds the demand.
    供过于求。
30. As a concession to his reasonable demand, the doctor allowed him to work.
    医生向他的合理要求让步了，允许他工作。

  demand ask claim expect【导航词义：要求】

  demand v. 要求

〔辨析〕指强烈要求某事物，尤用于认为自己有权这么做时。

  ask v. 要求

〔辨析〕指要求某人提供帮助、建议、信息等。

  claim v. 要求，索要

〔辨析〕指因有权得到某事物而公开提出要求。

  expect v. 要求，期望

〔辨析〕指出于责任或常理而要求某人做某事，含期待之意。

  want demand need require【导航词义：需要】

  want v. 〈非正式〉需要

〔辨析〕既可指需要某事物，也可指需要某人做某事，常可与 need 换用。

  demand v. 需要

〔辨析〕指为成功做成某事而需要某事物，其主语通常为事物，而宾语多为抽象名词。

  need v. 需要

〔辨析〕最普通用词，指需要必不可少的东西或需要做某事，强调所需之物或需做之事的重要性。

  require v. 需要

〔辨析〕词义同 need，常可换用，但语气较弱。

n.

by popular demand

• 由于许多人的要求；由于普遍要求
  because a lot of people have asked for sth
  1. By popular demand, the play will run for another week.
     应广大观众要求，这出戏将加演一周。

in demand

• 需求大
  wanted by a lot of people
  1. Good secretaries are always in demand.
     优秀的秘书总是很抢手。

on demand

• 一经要求
  done or happening whenever sb asks
  1. Feed the baby on demand.
     宝宝需要就喂食。
  2. on-demand printing of books
     书籍承索即印

noun

1. the act of demanding
   1. the kidnapper's exorbitant demands for money

2. required activity
   1. the requirements of his work affected his health
   2. there were many demands on his time

   Synonym:    requirement

3. an urgent or peremptory request
   1. his demands for attention were unceasing

4. the ability and desire to purchase goods and services
   1. the automobile reduced the demand for buggywhips
   2. the demand exceeded the supply

5. a condition requiring relief
   1. she satisfied his need for affection
   2. God has no need of men to accomplish His work
   3. there is a demand for jobs

   Synonym:    need

verb

1. request urgently and forcefully
   1. The victim's family is demanding compensation
   2. The boss demanded that he be fired immediately
   3. She demanded to see the manager

2. claim as due or just
   1. The bank demanded payment of the loan

   Synonym:    exact

3. ask to be informed of
   1. I demand an explanation

4. summon to court

5. lay legal claim to

6. require as useful, just, or proper
   1. It takes nerve to do what she did
   2. success usually requires hard work
   3. This job asks a lot of patience and skill
   4. This position demands a lot of personal sacrifice
   5. This dinner calls for a spectacular dessert
   6. This intervention does not postulate a patient's consent

   Synonym:    necessitateaskpostulateneedrequiretakeinvolvecall for