shuttle cs50 net So if you go back to shuttleboy.cs50.net, you can pre-order for free your own CS50 Shuttle Cards, Shuttle Cards particularly those of you in the Quad, Mather and the like.

如果你去看，你可以免费，提前预定自己的。

哈佛公开课 - 计算机科学课程节选

In order, prior to lighting your cigarette you can ask your friends, "Do you mind if I smoke?"

在点燃你的烟之前，出于礼貌，你可以询问你的朋友，“Do you mind if I smoke?”

Do you mind 课堂 - SpeakingMax英语口语达人

So if you were starving and you really needed energy, that is your body needed calories, it needed usable energy in order to survive, the broccoli's not going to do you much good and the brownie would be terrific.

假如你快饿死了,实在需要能量,那是你的身体需要卡路里,身体需要可利用的能量去支撑,花椰菜这时就没多大帮助了,布朗尼蛋糕才是首选

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选