增加部门人数英文怎么说

增加部门人数英文可以表示为 "increase the number of people in a department" 或 "add staff to a department."

这个表达方式源自英语中常用的 "number" 和 "staff" 两个词。"Number" 在这里指的是人数，而 "staff" 指的是雇员或工作人员。"Department" 是指公司、机构或组织中的一个部门。

例句及其中文翻译：

"We need to increase the number of people in the marketing department to meet our sales goals." (我们需要增加市场部的人数以达到销售目标。)
"The HR department is planning to add staff to the customer service team." (人力资源部正在计划增加客服团队的人员。)
"We've decided to increase the staff in the research and development department to speed up product development." (我们决定增加研发部的人员以加快产品开发。)