清除你心中所有无用的想法及焦虑。

Clear your mind of all unwanted thoughts and worries.

youdao

把所有无用的大便从你的大肠排泄出来。

Pass out all unwanted poop from your large intestine.

youdao

为了获得智慧，一个人必须将童年时期脑子里所有无用的垃圾全部清除，只留下重要的东西。

To achieve wisdom one must cut away all the debris that fills one's head on emergence from childhood, leaving only the important stuff.

youdao

So when I said earlier that as soon as swap returns, all of the memory allocated for swap is now useless.

我前面指明的，一旦swap返回，所有为swap分配的内存都是无用的了。

哈佛公开课 - 计算机科学课程节选