yesterday is history,tomorrow is mistery,and today is what?

问题描述:

yesterday is history,tomorrow is mistery,and today is what?

yesterday is history,tomorrow is mistery,and today is what?
昨天成为历史,明天是未知数,那么今天呢?

ALICE MORSE EARLE "The clock is running.Make the most of today.Time waits for no man.Yesterday is history.Tomorrow is a mystery.Today is a gift.That's why it is called the present."