I'm going to erase this.

我要把这些擦掉了。

耶鲁公开课 - 金融市场课程节选

And, following a test, a lot of people write in pencil: don't try to erase something and bring it back and say that, oh, actually, this is what I had because we look at that and go, this is perfect.

还有，在测试的时候，很多人用铅笔：,不要试图擦掉什么，把它带回,说，事实上，这是我的,因为我们看了一下就走了，这很完美。

麻省理工公开课 - 固态化学导论课程节选

You might think -- and this board is -- and you know what, let's use the computer because it will erase more cleanly than chalk.

你可能会想--这个板子是--你们懂得，让我们使用电脑,因为它能比粉笔擦除地，更干净些。

哈佛公开课 - 计算机科学课程节选