clean gone

例句：

1. 1. After the party, we had to clean up the mess left behind.
   派对结束后，我们不得不清理留下的混乱。
2. 2.The room was cleaned up before the guests arrived.
   客人到来之前，房间被打扫得干干净净。
3. 3.We need to clean up after ourselves and not leave any messes behind.
   我们需要自己的事情自己做，不要留下任何垃圾。