All right, so that notion of abstraction and we're going to come back to multiple times -- during the term-- and it's not just abstraction, -- it's the idea of a specification.

现在就试试,这就是抽象的概念,我回过来说，我们将要多次提到这个术语。

麻省理工公开课 - 计算机科学及编程导论课程节选

And typically, I'm not going to just search once in a list, I'm going to search multiple times.

还要考虑我要如何去使用它？,我不会对一个列表只做一次搜索。

麻省理工公开课 - 计算机科学及编程导论课程节选

You have to inject it multiple times because the first blip that you get in immune response is not very high, you have to boost and often you have to boost again in order to get a high enough response to be protected.

你必须得进行多次注射,因为第一次注射,无法使免疫系统产生强烈反应,你得要增强免疫,通常还得再增强一次,以使反应足够强烈,从而起到保护作用

耶鲁公开课 - 生物医学工程探索课程节选

If you called get string multiple times, surely you've been able to get different strings from the user.

如果你调用GetString好几次，你可以从用户那里获得不同的字符串。

哈佛公开课 - 计算机科学课程节选