All right. I want to do one more extended example here., because we've got another piece to do, but I want to capture this, because it's important, so let me again try and say it the following way.

很好的问题，谢谢你,我还要带大家去看一个延伸的例子,尽管我们还有别的事情要去做，但是我还是想提提这一点，因为这很重要。

麻省理工公开课 - 计算机科学及编程导论课程节选

And it is really great because he actually goes through the thought process for you and describes - I need to give you one piece of background.

它非常厉害,因为他已经将思考的过程,为你们过了一遍，并描写,我需要给你们一点背景介绍。

麻省理工公开课 - 固态化学导论课程节选