And there was the confluence of religion and business and science and all of these things that changed dramatically at about that period of time.

当时宗教，商业,科学等等都有了交叉点,它们在那个时期发生了巨大的转变。

普林斯顿公开课 - 人性课程节选

And so, there's been a profound change in public presentations, public views, on race but what about implicit views? This gets more complicated.

所以人们在公众中表达他们对种族的,刻板印象发生了巨大的变化,但私下的刻板印象呢？这就复杂了。

耶鲁公开课 - 心理学导论课程节选

Now, I'm talking about 1900 America where has that happened in the twentieth century more dramatically?

刚才我说的就是在二十世纪,美国的哪些行业发生了巨大的变革

耶鲁公开课 - 博弈论课程节选