subsidiarity
/səbˌsɪdɪˈærɪtɪ/noun
mass noun
- (in politics) the principle that a central authority should have a subsidiary function, performing only those tasks which cannot be performed at a more local level（政治中的）辅助原则（即中央权力机构应起辅助作用, 只履行地方机构不能履行的任务）。