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

The mathematical theory of probability was unknown until that time and you can see that insurance suddenly made an appearance at that time.

在那之前,概率的数学理论,是不存在的,而随着概率论的出现,保险业也突然出现了

耶鲁公开课 - 金融市场课程节选

It's that moment in which Phoebus Apollo makes a sudden and unexpected appearance.

太阳神阿波罗,突然而又出人意料的出现了。

耶鲁公开课 - 弥尔顿课程节选

It occurred to me it'd be a great magic trick if I then appeared in back.

如果我突然在后排出现,那就是非常精彩的魔术了

耶鲁公开课 - 心理学导论课程节选

In other words, bam! All of a sudden you had language.

也就是说，砰地一声，突然语言出现了。

耶鲁公开课 - 文学理论导论课程节选

After the French Revolution and Napoleon, and Napoleon makes peace with the church, there is,all of a sudden, a revival with people forming religious confraternities, of people paying to rebuild churches that have been vandalized during the Revolution, where they're melting down church bells to use as cannon and things like that.

在法国大革命和拿破仑时代,与教会达成和解协议之后,突然间,出现了宗教团体的复兴,人们斥资重建那些,在大革命中被肆意毁坏的教堂,当时人们把教堂大钟熔化了,去造大炮之类的东西

耶鲁公开课 - 1871年后的法国课程节选