1) 生活中总是充满了起起落落，没有什么是一成不变的。
Life is always full of ups and downs and nothing will last forever.
2) 场景：雨下的很大，仿佛永远都不会停。
The storm seemed to last forever.
其他积累：
快乐总是很短暂。Happiness never lasts.
我从来都认为，他不太可能一直受欢迎。I always thought his popularity was unlikely to last.
