This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.

这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想，我们只有一个选择，我们将在碳与氮之间形成一个三键。

麻省理工公开课 - 化学原理课程节选

You can't have slaves without wealth, because you got to feed them at the very least, and no matter how wicked a master you are, dead slaves are no good to you.

养奴隶没钱是不行的,因为不管你有多恶劣,也得供给他们生存的食物,死人是毫无用处的

耶鲁公开课 - 古希腊历史简介课程节选