X:Excuse me.I bought this just now and here's a receipt.

　　对不起，我刚买了这个东西，收据在这里。

　　Y:I'm afraid I was short-changed .Could you look into it?

　　恐怕你少找我零钱了。你可以查一下吗?

　　X:Oh，really? Just a moment....You paid with a ten-dollar note and I gave you.

　　哦,真的吗?请等一下。…您刚才付给我一张10美元钞票，而我给您.

　　Y:Oh，sorry，here's a five left.I'm terribly sorry.

　　啊，抱歉，这儿还有一张5块钱的钞票，我非常抱歉。