首相不在时，将由副首相主持此次会议。

The ___deputy Prime Minister will chair the meeting in the Prime Minister's absence.

对于一般性问题，我推荐我们的副校长布朗先生。

For general questions, I would propose our ___deputy principal, Mr Brown.

经过多年兢兢业业的工作，她被提升为副主任。

She was promoted to ___deputy director after years of dedicated service.