You wrote: I grew up believing that ours was a country that try to stand for good in the world and that upheld the fundamental values that bind us together as a nation.

你写到：,在我的成长过程中，我一直都相信，“,我们的国家,在世界上是一个象征美好的国家,我们主张基本的价值观,这些价值将我们凝结成一个民族。

普林斯顿公开课 - 国际座谈会课程节选

Now that I've written sqrt, I can just use it anywhere I want in the code. You've got to rely on the fact that I wrote it correctly, but you can basically suppress the details of how it's used.

就是忽略细节,既然我已经编写了sqrt函数,我可以在代码的任何地方使用它，你完全可以依靠,我已经编写的这个函数。

麻省理工公开课 - 计算机科学及编程导论课程节选