But if my students can catch me making a mistake, it means they are following it and they are not hesitating to tell me.

如果我的学生能发现我犯的错误,这证明你们确实在听课,并且愿意直言不讳

耶鲁公开课 - 基础物理课程节选

Computing square root. I'm going to capture it in a piece of code, I'm going to be able to refer to it by a name, and I'm going to suppress the details, meaning inside of that computation, you don't need to know what it does. You just need to know, if I give it the right kind of input, it'll give me back an input that satisfies the contract that I set up.

比如计算平方根,我会用一段代码来说明,我将给它命名,并且忽略细节,意思就是在这一段计算过程中,你不用知道它做了什么，你只需知道，如果我进行了正确的输入,它将会给我符合条件的输出。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then at the end of the day what you'll get is something that looks like this which will be a whole day's worth of food intake and then this is what I'd like you to print out and then write about in your concept sheets.

一天结束后你就会得到,类似这样的一天食物摄入值,这就是我希望你们打印出来的,并且在你们观点报告中谈论的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选