Notice one last piece. If I'm going to do that, run through all possible answers, I still want to know, gee, what if there aren't any answers? How do I return that case?

注意最后一段，如果我要这样做，也就是运行所有可能的答案，我还是想知道要是没有结果呢？,在这个例子中应该返回什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

And even though he could figure out that this wasn't possible, he still used this as a starting point, and what he did know was that these energy levels that were within hydrogen atom were quantized.

这是不可能的了,但他还是以此为出发点，他知道，氢原子的这些能级,是量子化的,而且他也知道，我们上节课所看到现象。

麻省理工公开课 - 化学原理课程节选

Well, there is a sentence for you and, as I say, I don't have time to explicate it but I commend it to you as a possible paper topic if you're still in need of one.

这就是我说的那个句子，我没有时间解释它，但是我向你们推荐,最为一个可能的论文话题，如果你们还需要的话。

耶鲁公开课 - 文学理论导论课程节选

So, grammar can be restricted but still give rise to an infinity of possible sentences.

所以,语法是有些局限,但仍然能产生无限可能的句子

耶鲁公开课 - 心理学导论课程节选

Even if we locate a source of some kind of genuine strength, authoritative strength, it's still usually possible, as it is for Satan, to argue that that power is really at base just the concealed product of custom or what we would think of as cultural construction.

有时即使我们找到了一种真实的，权威的力量，还是有可能像撒旦所辩解的那样，这种力量其实只是,约定俗成的规矩教条的隐秘产物,或者如我们所想来自文化建构。

耶鲁公开课 - 弥尔顿课程节选