But of course, there can be abuse of these when the food industry puts stuff in foods it doesn't really need to be there, and then they overstate the value of them and we'll talk about that, what's reasonable and what's not as we go through the class.

但是,当食品工业在食物中加入了,原本并不需要的成分,并夸大其作用时,自然也会反受其害,随着课程的深入,我们会探讨其中哪些合理,哪些不合理

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

printf So thus far, the things I put David between quotes are just simple things like David or David backslash N, but what if I want to do call my self David in quotes, right?

像我们前面提到的,我们把要显示的东西放在双引号之间，譬如,或，David反斜杠n，但是如果我自己的名字本来就叫,“David“

哈佛公开课 - 计算机科学课程节选

You can certainly hit Enter but as we saw-- seen that very quickly makes a mess of your code and such and so backslash N is new line.

你也可以敲回车键-,但是会让你的代码看起来乱七八糟,反斜杠n就是换行符。

哈佛公开课 - 计算机科学课程节选

Let me go ahead and call print F. I'm going to say A equals A and then I need a percent D, backslash, comma A; so this is a little bit of -- more syntax than would be nice, %d but I'm just saying, literally, A equals percent D, and I'm plugging in the value of A for percent D.

我们继续调用printf，我说明A等于,然后我需要%d，反斜杠n，逗号;,所以这个有点--偏向逻辑的，而不偏向美观的，但是我刚说了，字面上，A等于，我用%d插入了A的值。

哈佛公开课 - 计算机科学课程节选