Nobody knows, but there's a theory which won't answer your question but will put it into a broader context.

没有人知道答案,但有这么个理论,它无法回答你的问题,但却能让你从更宽广的视角来看这个问题

耶鲁公开课 - 心理学导论课程节选

How we see the world is often confusing and befuddled but what we know can clear things up.

我们所看到的世界充满了不解与困惑,但我们的知识却能帮助我们拨开迷雾

耶鲁公开课 - 心理学导论课程节选

Since they do not think about the things that are serious, they get excited by tiny things."

尽管他们不会考虑国家大事,但零星琐事都却能令他们激动万分

耶鲁公开课 - 1871年后的法国课程节选

I have it up on my screen But I don't see it up on the screen there.

我的电脑屏幕能播,但却不能播在大屏幕上

耶鲁公开课 - 聆听音乐课程节选

It doesn't match up very well though because interest rates have been going down since 1980 and the boom is very sudden, so it seems to me that Greenspan should have seen this bubble coming.

虽然这说法有些瑕疵,因为利率自1980年开始就一直下降,但繁荣却突如其来,所以我觉得,格林斯潘本应能看到泡沫的发生

耶鲁公开课 - 金融市场课程节选

Siblings who obviously share a tremendous amount, and can be extraordinarily similar are precisely the siblings who can struggle and wrestle the most to differentiate themselves from one another.

兄弟们有很多的共同点，但就是这些有极大相似点的兄弟却,正是最能斗争和对抗的,以便与将彼此区分清楚。

耶鲁公开课 - 旧约导论课程节选

And those cases are the dramatic exception and they do tell you something.

这些例子都是极为特殊的,但我们却能通过它们了解一些事情

耶鲁公开课 - 心理学导论课程节选

He was up for the Nobel Prize in medicine and in literature; didn't get either one of them; didn't get the prize in medicine because Albert Einstein-- Everybody loves Albert Einstein.

他曾获得过诺贝尔医学奖和文学奖的提名;,但却都未能最终获奖;,没能获得诺贝尔医学奖则是因为爱因斯坦-,大家都喜欢爱因斯坦。

耶鲁公开课 - 心理学导论课程节选

DNA also has this sort of combinatorial system where you have a finite number of, I guess, bases or amino acids that could combine to a possible infinity of strings of DNA strings.

脱氧核糖核酸也拥有这种组合系统,你的生物基础或氨基酸数量是有限的,但却能组合出,几乎无限的脱氧核糖核酸螺旋结构

耶鲁公开课 - 心理学导论课程节选

So, it really is -it really ought to be on the bank's balance sheet and it ought to be regulated by the bank regulators, but there was a failure to do that and that is the problem that we are in currently.

所以说,它确实该...,它应该反映在银行的资产负债表上,同时接受银行监管体系的管理,但这却没能实现,这就是我们目前面临的问题

耶鲁公开课 - 金融市场课程节选