But how and when did it happen?

但这是什么时候怎样发生的呢

耶鲁公开课 - 死亡课程节选

Maybe it won't now that we have better plans to prevent things like that, but suppose it did happen.

也许现在不会，我们有更好的方案,阻止这种事情发生，假设它真的发生了。

耶鲁公开课 - 金融市场课程节选

That is, more or less, what did happen in the Roman world and I don't see anything that's suggested it couldn't happen in the Greek world at the time we're talking about.

那就是,或多或少的,我看不到任何事物可以表明,在罗马社会发生的事情不会,在我们所讨论的这个时期的希腊发生

耶鲁公开课 - 古希腊历史简介课程节选

But if it did happen,it could happen.

但如果确实发生了，它是可能发生的。

耶鲁公开课 - 死亡课程节选

It's seeking to ascertain the meaning of events to draw larger philosophical, ideological conclusions from the events of history, and to point to the larger purpose or design of history, not to say just what happened, but to say why it happened and what it means for us today that it did happen.

它致力于查明事件的意义,得出哲学性的思想性的结论，从历史事件中，并且指出历史图景中的宏观目的，不说发生了什么，而阐明为什么它会发生,而它发生了对于今天的我们有何意义。

耶鲁公开课 - 旧约导论课程节选

So, this is an absolutely outstanding discovery, even though, if we think about it, what is the probability that this happened, how often did this happen?

0个alpha粒子，这绝对是一个，很了不起的发现，虽然我们仔细想想？

麻省理工公开课 - 化学原理课程节选

It's a beautiful theory to assume, to see what would happen if they did.

但是这是个非常理想的假设，用于判断如果他们这样做了会发生什么事。

耶鲁公开课 - 金融市场课程节选

I have to believe that whoever came up with that theory for the first time was aided in coming to it by thinking about the end of the Roman Empire, when something precisely like that did happen.

我想任何人第一次接触该理论,都会自动联想到罗马帝国的衰亡,进而支持该理论,因为类似的事情确实曾经发生过

耶鲁公开课 - 古希腊历史简介课程节选