Yesterday is history,Tomorrow is mystery,and Today is a gift,that is why we call it present什么意思

问题描述:

Yesterday is history,Tomorrow is mystery,and Today is a gift,that is why we call it present什么意思

昨天已成历史,明天还是个谜,今天是一个礼物:这就是我们为何要把今天称为“现在”的原因.