It's about how so many plans in finance are messed up by rare events that suddenly appear out of nowhere.

书中提到金融界中突然出现的小概率事件,怎样搞砸了无数计划

耶鲁公开课 - 金融市场课程节选

It's like rare, so everybody always go to the beach.

这么晴朗的日子不多见，每个人都会想去海边。

强力推荐 - SpeakingMax英语口语达人

Now, I know I'm answering your question I think in a better way, but it's actually very rare.

我想我现在已经很好的回答了你的问题,不过这种情实际上是非常罕见的

耶鲁公开课 - 心理学导论课程节选

In any case, in this footnote Gadamer says something-- I think it's very rare that we can actually just sort of outright disagree with Gadamer, but he says something in this footnote that I believe we can actually disagree with.

无论如何，在此脚注中葛达玛提到一些东西-,我想我们不可能,彻底赞同葛达玛的观点，但在他的脚注中提到了一些,我很赞同的观点。

耶鲁公开课 - 文学理论导论课程节选

These cells are rare and so it's been hard to identify them, that's part of it.

这些细胞太少了,所以很难找到,这是原因之一

耶鲁公开课 - 生物医学工程探索课程节选

So, it's pretty rare that chemistry makes the every day news.

通常化学不太会出现在日常生活新闻里。

麻省理工公开课 - 化学原理课程节选

But that is a terrible mistake because we should know that sculptresses are very rare; very few people have the job of a sculptress or sculptor, so it's a mistake.

但这是严重错误,我们都很清楚,雕刻家是很罕见的职业,只有很少人会是雕刻家,所以这是错的

耶鲁公开课 - 金融市场课程节选

So, if you by chance, I know it's very rare, but if by chance you don't get the class you can always follow up later.

如果你们偶然，我知道不太可能，但是如果不小心你们错过了某节课,你们就可以在之后补回来了。

麻省理工公开课 - 固态化学导论课程节选

There's a kind of aspect of value for many of us where we feel that something's especially valuable if it won't endure, if it's fragile, or if it's rare.

对我们许多人来说，有一种价值的方面在于,如果某事物不是持续的，如果是易碎的,或者是稀有的，我们就觉得它特别有价值。

耶鲁公开课 - 死亡课程节选

just because in some rare instances it's misused.

我们不能仅仅因为这种实验方法在一些情况下被滥用就完全摒弃这种方法。

需要动物实验吗？ - SpeakingMax英语口语达人

"What a rare mood I'm in. " " "Why, it's almost like being in love."

一种罕见的感觉“,“这是为什么呢，就像恋爱中一样“

耶鲁公开课 - 心理学导论课程节选

So I said before when we were talking about single atoms, we always define the zero energy as when an electron was actually ejected, but now, when we talk about chemical reactions taking place, it's very, very rare that we're actually going to be talking about anything that gets to this point here.

我之前说过，当我们讨论单个原子的时候，我们总是把零点能,定在电子被发射出去以后，但是现在，当我们讨论化学反应发生的时候，非常非常罕见出现，确实达到,这种程度的情况。

麻省理工公开课 - 化学原理课程节选

One reason it's been harder to identify stem cells is that they're so rare; the other reason is that it's hard to identify the characteristics of them and it's taken many years to work this out.

干细胞难以识别的原因之一是,这些细胞很少,另一个原因就是,干细胞的特征性蛋白难以识别,我们花了好多年去解决这个问题

耶鲁公开课 - 生物医学工程探索课程节选