Abdi says that public perception could now give Somalia's beleaguered president an opportunity to erase the humiliation his government suffered six months ago, when it was forced to beg for troops from neighboring countries to keep the government from being toppled.

VOA: standard.2009.12.23

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

And now the point just to tease apart, I can't erase that, let's fix, so now the one detail that's worth pointing out is * that this here the * in swap's prototype and the * here in swap's prototype do not mean go there.

现在我们要梳理一下，我不能清除那个，让我们修正一些，需要指出的一个细节是,在swap原型中的,意思不是定位到那个地方。

哈佛公开课 - 计算机科学课程节选