Well, it's just to keep the numbers-- there's actually not a very good reason to do splits.

其实只是为了维持一定的数量,实际上分割并没有很好的理由

耶鲁公开课 - 金融市场课程节选

It resembles Ruth well enough to remind me of her, and interestingly, it can do that even if it's not a very good photograph.

它和露丝相似到,足以让我想起她,有趣的是,一张不是很好的照片也可以做到

耶鲁公开课 - 死亡课程节选

Why? It's a good question, it's not something that economists seem to understand very well.

至于原因是什么，的确值得研究，即使是经济学家，也并不见得完全明白。

斯坦福公开课 - 经济学课程节选

So, that can be a little bit confusing for us to think about, and when it's a very good question you might, in fact, say well, maybe there's not zero probability here, maybe it's just this teeny, teeny, tiny number, and in fact, sometimes an electron can get through, it's just very low probability so that's why we never really see it.

这想起来有点令人困惑，你们可能会说也许，这里的概率并不是严格的为零，而是非常非常小，所以有时电子就可以穿过去，这是个,很好的想法。

麻省理工公开课 - 化学原理课程节选

Maybe you don't control thermostats in your dorm room, some of you do and some of you don't probably, and maybe it doesn't work very well so it might not be a good example, but imagine a perfect thermostat that you set for a temperature and then the temperature stays the same inside the room no matter what the temperature is outside.

可能你根本就不理卧室里的恒温器,有些人去调它,有些人就置之不理,可能它压根就是坏的,所以这个例子也许并不恰当,但你还是想象一个完美运行的恒温器,你设定温度后房间里的温度就保持不变,不管外面温度是多少

耶鲁公开课 - 生物医学工程探索课程节选

John Kennedy is also very good ? I'm not going back that far. -Well?

约翰·肯尼迪做得也不错啊,扯那么远干嘛，-不行吗？

斯坦福公开课 - 经济学课程节选