总统在军事决策上总是先咨询他的参谋长。

The president always consults his ___chief-of-staff before making military decisions.

新任命的参谋长负责协调各部门的日常工作。

The newly appointed ___chief-of-staff is responsible for coordinating daily operations across departments.

新任命的医务主任正在改善医院的临床流程。

The newly appointed ___chief-of-staff is improving clinical procedures at the hospital.