Like a blackboard that's been completely erased, we now have the very same blackboard, and now we start writing new things on it.

就像是被擦干净的黑板一样，我们得到的是完全一样的黑板，重新开始在上面写东西。

耶鲁公开课 - 死亡课程节选

And again, I'll have to clean the board, so give me a second.

稍等一下,让我来擦下黑板

耶鲁公开课 - 博弈论课程节选

Let's clean the board and do some work.

我擦下黑板然后我们讲别的了

耶鲁公开课 - 博弈论课程节选

And let me clean something.

让我擦一下黑板

耶鲁公开课 - 博弈论课程节选