作业帮I'm so sorry!I think you must need to know that every thing is changeable.Nothing can keep still.
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/20 12:35:00
I'm so sorry!I think you must need to know that every thing is changeable.Nothing can keep still.
抱歉,我想你必须知道任何东西都是在变的,没有什么可以长久的保持.