"We are,as you may expect, encouraged by these results and look forward to undertaking further research to understand what it means, why the vaccine regimen was effective in some volunteers and how we might build upon these results in our collective research,".

VOA: standard.2009.10.20

Before I do that though, let me try and give you an analogy to keep this in mind of why we want to basically build these abstractions and what we need in order to have them work together.

在我们看例子之前请让我打个比方,以便你们能记住我们,为什么要建立这些抽象,以及要使它们协调工作,我们需要做些什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

A different response, of course, is why couldn't we have robots that just build more robots?

另一种不同的回应,为什么我们不能拥有制造机器人的机器人呢

耶鲁公开课 - 死亡课程节选