chain of command

chain-of-command的词性：
n.（名词）

1. A system whereby authority passes down from the top through a series of executive positions or military ranks in which each is accountable to the one directly superior.
行政（军事）管理系统：一种由高层通过一系列执行部门或军事职位向下传递权威的系统，每个部门对直接上属负责