So if you wanna do something conditionally, you generally needs to ask the question, is the following true or false.

假如想在一定条件下做一件事情，你需要判断下这个条件，来看看条件是真还是假。

哈佛公开课 - 计算机科学课程节选

One of the things that we've done over the years has been open-minded about backing groups that don't have traditional investment credentials.

多年来我们一直做的一件事情,就是开放思维去支持那些,传统投资者不会涉足的领域

耶鲁公开课 - 金融市场课程节选

OK. You can see that thing is cutting down the problem in half each time, which is good, but there's one more thing I need to deal with.

这很棒，但是我们还需要处理另外一件事情,让我们仔细来看看,我在开始做之前一直在说，应该先试验试验。

麻省理工公开课 - 计算机科学及编程导论课程节选