Management hierarchy
[经] 管理等级系统
🧩 词语组成解析
🗣️ 情景例句
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹，
He who makes no mistakes, makes nothing.
不犯错，将一事无成。
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，