我试翻一下：昨日已逝，明日未知，但今日是可以把握并珍重的，所以我们称之为“礼物”（present）。//@大道无形我有型: 原文非常有韵味，翻译过来就不太对了，可能是翻译得不好。//@恺撒军团:Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is called the "present"。