life is like a river.yertoday has past,tomorrow never come,and today is present.是什
问题描述：
life is like a river.yertoday has past,tomorrow never come,and today is present.是什
答
life is like a river.yertoday has past,tomorrow never come,and today is present
生命就像一条河.昨天已经过去,明天永远不会来到,只有今天是实际存在的（寓意人要珍惜时间）