23456789 All right, here I gave it a big number, 123456789. And again, I don't want to bore you, but you can see what's going on here with this trend.

我给出一个大数字，又一次，我并不想令你们感到枯燥，但你们可以自己看看会发生些什么,这儿有个有趣的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Again, what I want you to see is, notice the characteristic of that.

这里面的特征，也就是迭代产生了两个小一号的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Show it to your neighbor. Let's have a show of hands, again I want you to keep your hands up so that Jude can see it now.

把你的选择给同桌看看,下面请举手,请大家举高点方便裘德拍摄

耶鲁公开课 - 博弈论课程节选

The reason why I do put them up is so that you have the opportunity if you want to see it again or if you have to miss a class.

我之所以把资料放在网上是为了,让你们可以重温或者学习错过的课程。

哈佛公开课 - 幸福课课程节选