Again, we have to ask ourselves, we have to start thinking of the question about what does this mean for doing something about changing the world's diet, changing the nation's diet, changing the world's diet?

让我们来问问自己,考虑一下这个问题,改变一个国家的饮食文化,改变这个世界的饮食,这意味着什么

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But as you get older and you have a lot of spare time, you think about what you are doing, which is something I have the luxury of doing right now, and I realized this is more tricky.

但随着你们年龄的增长,有更多空闲时间之后,你就会思考你做的事情,我现在就有很多闲暇思考这些问题,我意识到这东西其实很精妙

耶鲁公开课 - 基础物理课程节选

What we're really doing, or I shouldn't say what we're really doing, a basic piece of what we're doing, when we talk about classes or objects, is we're doing something that Professor Guttag mentioned, we're defining an abstract data type.

或者我不应该，说我们真正要做的，当我谈到类或者对象的时候，我们在做的基本的东西，如Guttag教授提到的,就是定义一个抽象数据类型，那么这到底是什么意思呢？

麻省理工公开课 - 计算机科学及编程导论课程节选