So we haven't gotten to molecules yet, we're just talking about single atoms or single ions, but what's nice is just talking about this very straightforward principle of atomic radius.

我们还没有开始讲分子，我们仍然只是在讨论单个原子或离子，但它的好处在于可以讨论,这个关于原子半径的非常简单直接的原理。

麻省理工公开课 - 化学原理课程节选

So this is simply the energetics of crystal formation.

这就是简单的晶体形成的静电原理。

麻省理工公开课 - 固态化学导论课程节选

I think they motivate a lot of what -I'm going to write a number of principles of behavioral finance down and just mention them briefly and then return to regulation.

我认为他们促进了这些...,我先写一些行为金融学的原理,只是先简单地过一遍,再回到市场监管

耶鲁公开课 - 金融市场课程节选

That's why molecular biology, one of the reasons why it's turned out to be such a powerful tool, because if you can think creatively you can find all different ways to using these very simple principles to recombine molecules, to make unique new DNA sequences.

这就是分子生物学,如此有用的原因之一,因为如果你有创造力,你可以用各种方法,运用这些简单的原理来重组分子,创造独特的DNA新序列

耶鲁公开课 - 生物医学工程探索课程节选