And in fact, it lies at the heart of a lot of useful computational techniques where we save results.

实际上，它也是很多保存结果的,计算技巧的核心。

麻省理工公开课 - 计算机科学及编程导论课程节选

As we've been talking about, I think we have a strong obligation to save life where we can do so.

就像我们一直所讲的，我想我们,有责任尽我们所能来拯救生命。

普林斯顿公开课 - 人性课程节选