If that is not possible, then clean off the equipment and your shoes when leaving.

VOA: special.2009.05.26

In your estimation, and you don't have to go on a record, you can change your mind after leaving Inner Core.

在您的看法中，您不用将看法录下来，您可以在离开人性讲堂后改变想法。

普林斯顿公开课 - 人性课程节选

It's so expensive. Just leaving your house seems to cost about 30 pounds.

这里太贵了。一出门就要花大概30英镑。

生活费很高 - SpeakingMax英语口语达人

Do not come to your instructor and say, I've got a really good ticket but I'm leaving on the 13th.

不要去和你们的讲师说，我已经买好票了,但是我要在13号离开。

麻省理工公开课 - 固态化学导论课程节选