If somewhere later on in the code it shifts to string, I might not be manipulating that and getting actual values out, but not what I wanted, and it's going to be really hard for me to chase it back.

然后后面的一些代码,把变量类型变为了字符串，我可能不会通过实际操作,去取得实际的变量的类型，但是这并不是我想要的类型,而且对我来说把类型，变回去也很困难。

麻省理工公开课 - 计算机科学及编程导论课程节选

What that will look like in practice is that we'll cover not so much information.

所以我们在实际操作时,不会传达过多信息方面的东西。

哈佛公开课 - 幸福课课程节选

Can't use them on Booleans, they have a different set of things. They do things like AND, and OR. And of course there's a bunch of other ones in there, I'm not going to put them all up, but we're building up a little collection, if you like, of those operations.

这个方面的东西，它们不能被应用于布尔类型,布尔类型有其他的一系列操作,比如AND，和OR之类的，当然还有很多其他的,我不会把他们一一列出来，但是我们会学习这些操作的一部分。

麻省理工公开课 - 计算机科学及编程导论课程节选