It's totally legit to cull a function, get back a value, do nothing with it other than compare it to another value.

挑选一个函数是完全合法的，返回一个值，用它来做些事情而不是用它与其它的值比较。

哈佛公开课 - 计算机科学课程节选

it becomes something that's characteristic of the conflict that many people will just get bored of it and detach themselves totally and emigrate and live and alienate themselves and many people will get more passionate about the conflict.

它就变成了冲突的一个特点,很多人将会感到厌倦,完全将自己与冲突分离，移民到别国去生活,远离冲突,而很多人对冲突愈发热忱。

普林斯顿公开课 - 人性课程节选