Up here I have n over two operations of size two. Up here I've got n over four operations of size four.

最下面有n个规模为1的操作,接着上面有n/2个规模为2的操作,再上面有n/4个规模为4的操作。

麻省理工公开课 - 计算机科学及编程导论课程节选

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