??? 情景例句
It will take less than 5 minutes to check out.
退房最多只需5分鐘。
Why are you so sad?
你為什么這樣傷心？
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他說，“但是我沒有很多朋友，我過得不很愉快。我不懂為什么！”