And please sign in, by the way, guys, before you leave.

顺便说一下，同学们在离开之前请签名。

耶鲁公开课 - 1945年后的美国小说课程节选

Please make sure you drop your library card at the front desk before you leave.

请确保在离开时，把图书卡放在前台。

have to 实战 - SpeakingMax英语口语达人

So anyone who wants to leave now please do so.

所以想走的同学现在就请吧。

耶鲁公开课 - 1945年后的美国小说课程节选