去原文收听听力
A：Could I have my bill, please?
请给我账单，好吗？
B：Certainly, sir.
好的，先生。
A：I'm afraid there's been a mistake.
恐怕这里出错了。
B：I'm sorry, sir. What seems to be the trouble?
对不起，先生。请问有什么问题？
A：I believe you have charged me twice for the same thing. Look, the figure of 6.5 dollar appears here, then again here.
我想你们对同一种东西进行了两次收费。看，6.5美元这个数字出现在这里，然后这里又出现了一次。
B：I'll just go and check it for you, sir.
我这就去为您核对一下，先生。
