这段时间用英语怎么说

这段时间用英语可以说 "during this time" 或 "over this period." 这两个短语都指的是某一段时间，但 "during" 指的是时间段的整个过程，而 "over" 指的是时间段的开始和结束。两个短语的来源都是英语的语法，它们都是介词短语，可以用来修饰名词或代词。

例句：

During this time, I will be out of the office on vacation.
Over this period, the company's profits have increased by 20%.
We have made significant progress during this time.
The number of new cases has decreased over this period.