And we'll see what that means in a moment, and it's just because they mean different things.

等下我们会明白它的意思，这只是,因为他们有着不同的含义。

哈佛公开课 - 计算机科学课程节选

They mean very different things, as we have seen. Keep track of that.

正如我们所看到的，它们表示的不是一个东西，注意这一点。

麻省理工公开课 - 计算机科学及编程导论课程节选