? 同義詞
??? 情景例句
Why is that necessary?
為什么有此必要
They're all tall, they all have blond hair, and they all seem to have blue eyes, too.
他們都是高個子、金發、看起來也都是藍眼睛。
and there is a virtual limit on how long we can hope to remain alive,
我們所希望的長壽實際上是有限度的。