Before class, review your notes you have taken before you come to class.

课前复习来上课前做的笔记。

youdao

This is the path that rising economic powers, from Germany to the United States to Japan, have taken before.

这条路就是经济大国，从德国到美国去日本，已经采取了。

youdao

We have two introductory courses that are supposed to be taken before you get to my course—one in film art, techniques and technical stuff, and another in film history.

在上我的这门课之前，你应该先上两门入门课程——一门是关于电影艺术、方法和专业知识的，另一门是关于电影历史的。

youdao

Before then,the same trip might have taken up to six months.

VOA: special.2009.02.21

So this is a Nash Equilibrium, but okay we know what it is in jargon, and we know, we kind of knew that was going to be an important point, because most of you have taken Economics courses before and you know that whenever lines cross in Economics it's important, right?

这就是纳什均衡了,是个术语,而且这个知识点是相当重要的,因为你们大多数人之前都学过经济学,而且都知道经济学的交点都很重要

耶鲁公开课 - 博弈论课程节选

Ayoub Khan, Birmingham City Council's community safety portfolio holder, said a detailed consultation ought to have taken place before the cameras were installed.

BBC: Plastic bags to be put over Birmingham 'terror cameras'

But the sports world was rocked by the revelation that Landis may have taken steroids before his amazing comeback in the Alps last week.

FORBES: Positive For Steroids

An initial version of Bendectin began selling in 1956, and 33 million women around the world were estimated to have taken it before the lawsuits began.

NPR: FDA Approves Return Of Drug For Morning Sickness