如果你遇到过这样的情况，你就会知道在你的包里或车里始终放一本书是多么明智的选择，你永远都无法预知自己什么时候会遇到需要消磨时间的情况。

If so, you should know that it is wise to keep a book in your purse or car at all times, as you never know when you'll find yourself with some time to kill.

youdao

把这一句话送给那些你永远都无法忘记的人吧。这段短短的话能让他们知道你永远都不会忘记他们。

Send this phrase to the people you will never forget. It's a short message to let them know that you will never forget them.

youdao

如果股市继续上涨的话，观望者们中间的绝大多数会投身其中，因此，你可能永远都无法知道这一反弹会持续到什么时候和高度。

If the market keeps on going up, more of them may decide to join in. You never know how far the rally goes.

youdao