But for me personally, it doesn't have to be first class.

但是对我个人而言，不一定需要最上乘的。

喜欢巧克力吗？ - SpeakingMax英语口语达人

But I can also ask for parts of this. So I can, for example, say give me the first element of s1 string 1, s 1. Ah, that's exactly what we would have thought if this was represented as an ordered sequence of things.

然后返回一个长字符串，我也可以，取字符串的一部分，例如,我可以要求返回给我字符串,的第一个元素，啊，这证明我们之前,认为的它是一个有序的字符序列的想法。

麻省理工公开课 - 计算机科学及编程导论课程节选