My bid concern is that you have this huge group of people on the planet 2 young people between ages of say 12 and 19 or 21 or 22 all asking the question: Who am I?

我最关注的是,我们在世界上拥有如此巨大的一个群体,即年龄介于12到19岁，或者21，22岁的青年人2,都在问一个问题：,我是谁？

普林斯顿公开课 - 人性课程节选

What the Market Revolution was, in so many ways, was an engine, a tremendous Charles Sellers has written a famous book on this it was a tremendous engine for what became arguably the most prevalent idea of the entire nineteenth century in America, and that's the notion of progress.

在很大层面上,市场革命,就是一个巨大的发动机,查尔斯·塞勒斯,曾经为此写过一部书,市场这个巨大的发动机,它带来了十九世纪最流行且有争议的看法,即,对进步的观念

耶鲁公开课 - 美国内战与重建课程节选

So what I want to point out when you're kind of looking at these numbers here, what the significance is, look at that huge difference between what the ionization energies are for what we call those valence electrons, -- those outer shell electrons, those are core electrons there.

我在这里想要指出的是,当大家在看这些数字的时候，最重要的是，要看到这些,巨大的差异,看到所谓价电子，即外层电子的电离能与，1，s，轨道，电离能之间的巨大差异。

麻省理工公开课 - 化学原理课程节选