S：你来中国之前听说过关于中国的好的方面吗？

S: Did you hear a lot of positive news or information about China before coming over here?

youdao

答：北京很大，我之前听说北京大，事实上，它真的太大了，我们经常迷路。

Lena: it's much bigger, I heard Beijing is big, actually, it's too big, we usually get lost.

youdao

节约成本：和我们中的大多数人之前听说的一样，一个软件缺陷在开发周期中存在的时间越长修复这个缺陷的成本就越高。

Cost savings: as most of us have heard before, the cost of fixing a defect increases the further it survives in the development cycle.

youdao

Now, if you have never seen that Prisoner's Dilemma, you can see it pretty much every night on a show called Law & Order.

如果你之前没听说过囚徒困境,回去看看每天晚上演的"法制"

耶鲁公开课 - 博弈论课程节选

Personally, I had never really heard about it until coming to this school.

对我而言，在来到这所学校之前，我都没听说过。

伯克利的水上运动 - SpeakingMax英语口语达人

And many of the things you will learn in this class, you've heard of before.

而你们将在本课程中学到的许多东西，都是你们之前听说过的。

哈佛公开课 - 幸福课课程节选