When You Are Old的用法和樣例：
例句
- You shouldn't let your teeth go,otherwise you'll have to go to the dentist often when you are old.
你不應該不注意你的牙齒，否則，你老了的時(shí)候，就不得不常去看牙科醫生。 - And when you do, you'll fantasize that when you were young, prices were reasonable, politicians were noble and children respected their elders.
而當你老時(shí)，你會(huì )幻想，當你年輕時(shí)，價(jià)格是合理的，政客是高貴的，孩子們尊重他們的長(cháng)輩。
