You have one rule invoking another rule and then you can get a sentence like "Fred thinks Barney likes Wilma."

遵循调用前一个规则的这个规则,这样你就得到了,像"弗雷德觉得巴尼喜欢威尔玛",这样的句子

耶鲁公开课 - 心理学导论课程节选

Now, when you do this, how many-- and then so, for instance, you get the sentence "Fred likes Wilma."

你按照规则去做之后,比如说,你会得到一个句子,"弗雷德喜欢威尔玛"

耶鲁公开课 - 心理学导论课程节选

So it's the affinity it has for electrons, it's how much it likes to get an electron.

因此，它表示的是对电子的亲和力，即有多么希望得到一个电子。

麻省理工公开课 - 化学原理课程节选