So again, let's look at it. What does it say to do Well, it's basically saying a similar thing.

它是怎么实现的？,它跟上种方法差不多一样吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

again, this is not rocket science, but let's do it anyway.

这也不是天书,没那么可怕的

耶鲁公开课 - 博弈论课程节选

I didn't draw that very well, let's do it again.

我画得不太好,我再画一遍

耶鲁公开课 - 金融市场课程节选

Let's do this again. We'll sing it again.

来再做一次,我们再唱一遍

耶鲁公开课 - 聆听音乐课程节选