gerontocracy

noun

1. 老人统治的国家（或社会、组织）；老人统治
   a state, society, or group governed by old people; government by old people

1. The phenomenon of gerontocracy has existed for millennia because the young are accustomed to following the aged.
   因为年轻人习惯于跟从老年人，所以老年政权现象得以存在了几个世纪的时间。
2. The Regent found the idea odd-as he had the puzzling gerontocracy the Robotech Masters had favored.
   瑞金特觉得这是个奇怪的想法，正如机器人统治者的老人政府让他产生的迷惑。

noun

1. a political system governed by old men