Like a blackboard that's been completely erased, we now have the very same blackboard, and now we start writing new things on it.

就像是被擦干净的黑板一样，我们得到的是完全一样的黑板，重新开始在上面写东西。

耶鲁公开课 - 死亡课程节选

So I'm just going to re-draw my skeleton.

那么我要先把骨架重新写在这。

麻省理工公开课 - 化学原理课程节选

If you're writing a program and you're testing it and recompiling.

如果你写一个程序,检测，然后重新编译。

哈佛公开课 - 计算机科学课程节选

Let's go back to the same thing I wrote earlier.

让我们重新回到我之前写的那个式子

耶鲁公开课 - 基础物理课程节选

You're an indignant angel, so you have the payoffs that are still there and you're playing against an evil git, which is the payoffs we covered up but we'll reproduce them.

你是愤怒天使,你的收益还是这些,你要和自私鬼博弈,他的收益被档上了,我再重新写一下

耶鲁公开课 - 博弈论课程节选

And if I were to use that again, I'd just put it on your handout, I could go back and rewrite that thing that I had previously for finding the square roots of the perfect squares, just using the FOR loop. OK. What I want to do, though, is go on to-- or, sorry, go back to - my divisor example.

它可以是任意的集合,如果我又要去用这个方法的话,我会把它放在你们的课堂手册上的,我可以回过头去用FOR循环，重新写我们那个求平方数的程序，我想要做的是，是继续-哦抱歉,回到-我的除数那个例子。

麻省理工公开课 - 计算机科学及编程导论课程节选

Secondly, as we go to the more advanced part of the course, we'll take a result from this part of the blackboard, stick it into the second part and keep manipulating, so if I screwed up in the beginning and you guys keep quiet, we'll have to do the whole thing again.

其次,随着我们课程的深入,我们需要把黑板这边的计算结果,抄到黑板的那边,不停地这么做,如果我一开始就写错了,而你们又不出声,我们就得全部重新来过

耶鲁公开课 - 基础物理课程节选