We don't pay attention to them when they are going beyond three, but now we know we need that.

我们以前并没关注他们,对三维以上空间的研究,但是现在我们知道也需要关注那些东西

耶鲁公开课 - 基础物理课程节选

But here, they're... everybody goes on the top where they came from,

但来到这儿后发现……每一个人都是他们以前学校的尖子生，

都是天才 - SpeakingMax英语口语达人

The other thing you will find on the website are old homeworks, old exams, all sorts of resources, and they are videotaping this.

另一件你们能在网站上发现的是,以前的作业，以前的试题，各种的资源，他们正在这拍摄。

麻省理工公开课 - 固态化学导论课程节选

Well, they still do massively, although a little bit less than they used to.

虽然相对以前有所减少,但他们仍旧大规模的按照既往行事

耶鲁公开课 - 金融市场课程节选

They didn't shoot women, do they?"

他们以前不枪决女人,难道时过境迁了吗"

耶鲁公开课 - 1871年后的法国课程节选

People in serious accidents with their paralysis as the result of the accident, very often, usually-- again, this is all the average-- go back to their base level of happiness: if they are happy before, they will be happy one year after; if they are unhappy, they will remain unhappy.

遇到严重意外的人,意外导致瘫痪，经常地，一般性的…,再次强调，这是平均而言-,都会恢复到基础幸福水平：,他们以前是快乐的，一年后，他们也会快乐;,如果不快乐，将维持不快乐。

哈佛公开课 - 幸福课课程节选

I have a couple of times in my life, though.

我以前也曾经给过他们钱。

不做善事的理由 - SpeakingMax英语口语达人