她负责掌管日常业务。

She has charge of the day-to-day running of the business.

《牛津词典》

形式上他是负责人，但实际上他的秘书掌管一切。

Officially he is in charge, but in actual fact his secretary does all the work.

youdao

阿梅里奥加盟后，二人的分工迅速决定：杨元庆掌管董事会，把握战略方向，阿梅里奥负责公司运营。

The division of labour was immediately decided: Mr Yang runs the board of directors and sets the strategic direction and Mr Amelio has operational control.

youdao