So first just a couple of teasers if you are in fact the geeky type, so our friends at Microsoft are having this little nerd party in a few days.

首先是几个广告,如果你是那种不太受欢迎的类型,我们在微软的朋友几天后会举办一个小派对。

哈佛公开课 - 计算机科学课程节选

Let's say you're having a competition with one of your friends.

假如你跟一个朋友在比赛谁更受欢迎。

How many课堂 - SpeakingMax英语口语达人