求助在线等中翻英

The reason he left is the company fired all of the clerks of manager.

the reason why he left was that the company cut off all of the manager'peple

The reason for his departure is that the company has dismissed all the manager's favorites.
that引导的表语从句
departure 离开
dismiss 开除，解职
favorite 特别喜欢的人(或物), 喜欢的事物, 亲信, 心腹

The reason why he resigned was because the company fired all the followers of Manager