So, don't start here. And, it happens infrequently, but I've got to tell you, a few years back on the final exam, a couple of people were involved in passing information back and forth.

不要开始这样做，这也不常发生，我要告诉你们,几年前的期末考试里，有几个人，他们,给前后传递答案。

麻省理工公开课 - 固态化学导论课程节选

Ask not what you can do for your country, etc.

不要问你能为你的国家做些什么这样的问题。

麻省理工公开课 - 固态化学导论课程节选

There's some problem with that; it's not economic, so let's not be too jubilant.

这样做还是有问题,这不赚钱,所以不要高兴太早

耶鲁公开课 - 金融市场课程节选

Let me go ahead and make, don't do this.

我们继续编译，不要这样做。

哈佛公开课 - 计算机科学课程节选

Some people are going and in this course we would know whether you're hearing duple or triple based on some other information so don't worry about if you're doing .

小部分人是,在本课程中我们会知道,你们是否可以根据其他的信息,辨认出这是三拍子或者二拍子,所以也不要担心,哪怕你这样做了

耶鲁公开课 - 聆听音乐课程节选

- And, in fact, let's see -- -- don't do this at home or on our systems -- but let me go ahead and do nano don't do this dot C. Let's go int main ahead and do int main void.

然后，实际上，让我们看看-,不要在家里或者在我们的系统上这样做-,但是让我们继续处理nano，dontdothis，c文件,让我们继续。

哈佛公开课 - 计算机科学课程节选