And the reason that they're the least sheilded is because they can get closest to the nucleus, so we can think of them as not getting blocked by a bunch of other electron, because there's some probability that they can actually work their way all the way in to the nucleus.

它们最不容易被屏蔽的原因,是因为他们可以更加接近原子，所以我们可以认为它们,最不容易被其它原子阻挡住，因为它们有一定的概率,离原子核非常近。

麻省理工公开课 - 化学原理课程节选

I did consider this sort of noble work because I think companies should honor their agreements.

我的确认为这算是一种高尚的工作,因为我认为公司应该履行它们的协议。

耶鲁公开课 - 金融市场课程节选