So, let's just take a quick example to show how not completely you can use these periodic trends, that there are limits.

那么，让我们举一个小例子来看一下,你是如何不能将元素周期律用在所有地方的，它是有局限性的。

麻省理工公开课 - 化学原理课程节选

And you are watching it at somewhere else in a totally different time.

而你在另一个地方看,而且是在完全不同的时间。

麻省理工公开课 - 媒体、教育、市场课程节选

Now if you were not born in the United States, you may still be, under definition, a natural born US citizen if you're born outside this United States, both of your parents are citizens of the United States and at least one parent has lived in the United States.

现在如果你不是出生在美国，你可能,即使你出生在美国以外的地方,只要你的父母都是美国公民,而且至少一个居住在美国,那么按照定义。

麻省理工公开课 - 计算机科学及编程导论课程节选