Things like addition and multiplication, which we saw not only apply to numbers, but we can use them on things like strings and we're going to come back to them again.

就像加法和乘法，我们已经学习过，它们不仅仅可以应用于数字，还可以用到字符串上,我们今天还会再讲讲。

麻省理工公开课 - 计算机科学及编程导论课程节选

As we saw before, it simply concatenates them together and gives me back a longer string.

和我们之前学过的一样,这个操作会把两个字符串连接起来。

麻省理工公开课 - 计算机科学及编程导论课程节选

Both of them,as we saw in the face of fission, needs to accept a no branching rule.

这两种理论在裂变说法的面前，都需要接受无分支规则。

耶鲁公开课 - 死亡课程节选

we saw activation in other regions, and some of them are malfunction.

我们看到其他区域有活动，而且其中一些功能也失效了。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

But anyway, we saw most of them.

不管怎么说,我们把大部分都看了

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That's certainly one way to do it, but for computers that's not necessarily the easiest way. So another way of solving it is to do something we already saw last time, which is basically, why not simply enumerate all possible examples and check them?

将一个等式代入另一个等式，这当然是一种办法,但是对电脑来说这绝对不是一件简单的事,所以解决这个问题的办法，正如我们上一次看过的,非常基本？

麻省理工公开课 - 计算机科学及编程导论课程节选

We don't like exponential algorithms, or at least you shouldn't like them, because they blow up quickly. And we saw some examples of that. And unfortunately, some problems are inherently exponential, you're sort of stuck with that, and then you just have to try be as clever as you can.

我们并不喜欢指数算法，至少你不应该喜欢，因为他们会,爆炸式的增长，我们将看到,这样的例子，不幸的是，一些问题先天是指数型的，你会被它们稍稍的卡住,然后你就得尽可能的发挥你聪明才智了。

麻省理工公开课 - 计算机科学及编程导论课程节选

So I'm going to distinguish in fact between un-handled exceptions, which are the things that we saw there, and handled exceptions. I'm going to show you in a second how to handle them, but let's look at an example.

所以我打算区分开不可处理的异常,以及我们刚才看到的,可以处理的异常,我一会要给你们演示下如何处理他们,给你们看一个例子。

麻省理工公开课 - 计算机科学及编程导论课程节选