Yesterday's the past,have become past,today is a new

问题描述:

Yesterday's the past,have become past,today is a new

昨天已是过去.(忘记过去)迎接新的明天.
Yesterday's the past是昨天已是过去之意.have become past也可以表示昨天已是过去之意,但是用在此.更有语气加重之意.
P.S:这几天喜欢陈绮贞的一句歌词:用今天换回昨天.用明天换回失去的.