Well, we'll talk about that, but the point here is they can be false.

我们以后会慢慢讨论，但关键在于它们是可以证伪的。

耶鲁公开课 - 心理学导论课程节选

So in other words, if thankful is still false at this point, it means this condition did not work out very well, and so I'm going to do this block of code again.

换句话说，如果thankful在这时候还是false值，这表示这个条件没有实现地很好，所以我将再次去处理这段代码。

哈佛公开课 - 计算机科学课程节选