One of the things we are taught is a verse of Koran, in English it's as "all you who believe, fasting has been prescribed for you as was prescribed for those before you."

在《可兰经》里有一句诗是，大意是，虔诚的人们啊，斋戒不仅是你需要做的,也是你的前人所需要做的“

普林斯顿公开课 - 人性课程节选

The best things, as they say, "Best things in life are free" and it really is true that, you know,

最好的东西，人们说“生命中最好的东西是免费的”，这是真的。

钱重要吗？ - SpeakingMax英语口语达人

The other thing about it is that you could make lots of things that are new but generally you think of engineers as making things that are not just new but they're useful, that they do something that needs to be done, and that they do something that improves life, the quality of life of people.

另一个区别是,科学家会做很多很多新鲜玩意儿,而一般来讲,工程师做的东西不只是新奇,它们还很有用,他们做那些需要做的东西,他们做的东西能够提高,人类的生活水平和生活质量

耶鲁公开课 - 生物医学工程探索课程节选

b OK. In this example I'd use b. All right, as b get-- b is the thing that's changing as I go along here, but it could be things like, how many elements are there in a list if the input is a list, could be how many digits are there in a string if the input's a string, it could be the size of the integer as we go along. All right.?

好，在这个例子里我会用，因为b是一直在变的东西,但是也可能是如下情况：,如果输入是数组的话,变化的就是数组的元素数，如果输入是字符串的话,变化的就是字符串的长度，如果是integer的话,可能就是这个数的大小，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选