鉴于大家对英语英语考证PETS写作十分关注，我们编辑小组在此为大家搜集整理了“PETS4写作精选短语相关参考点”一文，供大家参考！
PETS4写作精选短语相关参考点
Span of control
the number of people that one manager can supervise effectively
Example:
When two of our company managers quit suddenly last month, the other two had their span of control doubled, which made problems for everyone.