捍卫英语纯正性的问题在于，英语就像妓院里的妓女一样纯洁。我们不只是借用词汇；有时，英语会追着其他语言进入小巷，把它们打晕，然后从它们的口袋里翻找新词汇。

She is not only my mom but also herself.

The best way to buy a stock is when it's cheap, and the best time to sell is when it's expensive.

商业中最危险的一句话是"我们一直都是这样做的"。