I'm guessing the average number in the class now is probably about 3 or 4, maybe even lower.

我猜这次的平均数字大约在3或者4,甚至可能更低

耶鲁公开课 - 博弈论课程节选

Like, because I mean... Like this semester, I was hoping to take 3 sciences with an American Cultures class,

例如，像这学期，我想选三门科学课，外加一门美国文化课，

关于授课系统 - SpeakingMax英语口语达人

So it turns out that the average in this class, the average choice was about 13 1/3, which means two-thirds of the average was 9.

这个游戏的最终结果,平均数大概是13又1/3,它的2/3是9

耶鲁公开课 - 博弈论课程节选

I live in words Backban I walk a great deal, I live in the backban walking into class and home, that's 3 or 4 miles right there.

我生活在文字中,我常常走路，我住在,走来上课,走回家去，我家离这里大概三四英里远。

麻省理工公开课 - 电影哲学课程节选