Well I'm relying on the contract, if you like, that the manufacturer of square root put together, which is, if I know I'm giving it two floats, which I do because I make sure they're floats, the contract, if you like, of square root says I'll give you back a float.

好吧我能靠一些类似合约来保证，如果这么说你喜欢的话,其实就是当求平方根的方法,获得了两个我已经确认了是浮点数的数后,这个类似合约的东西就会保证，返回一个浮点数。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well that's a--so it's sort of tongue in cheek, 'you know this is really good, I love to eat this, but I'm doing it because it's good for me' is the message there.

它有种特别的口感,"你知道这真的非常好,我喜欢吃它,但我吃它更是因为它对我有益",这就是我想要表达的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选