背诵
The housing boom will not last.
At a episode a day , the stock would last until 2036.
Three things will last forever , faith hope and love , and the most greatest of these is love .
翻译
生活中总是充满了起起落落，没有什么是一成不变的
我的，Life is full of up and down , and nothing will last forever.
Life is always full of ups and downs , and nothing lasts forever.
造句
没有什么是一成不变的，但那些美丽的瞬间永远不会被忘记。
Nothing lasts forever , but those wonderful moments will not be forgotten.
总结
ups and downs 起起落落，好的事情坏的事情，背下
