听力题 M: Could I have my bill, please? W: Certainly, sir. Here you are. M: Could you kindly explain this to me? What is item 7? W: Yes, sir. That''s the service fee, 15 per cent. M: Oh, I see…I think there has been a mistake here. W: I''m sorry, sir. But what seems to be the trouble? M: I think you''ve charged me twice for the beer. Look, item 2 and item 6 are both about beer. W: I''ll just check it for you, sir. Please wait here for a moment. M: OK, no problem. W: You''re quite right, sir. The cashier made a terrible mistake. I think you''ll find it correct now. M: Good, thank you. Now, can you take my credit card? W: I''m afraid we don''t accept credit cards. M: Oh, dear. Can I pay by traveler''s checks? W: Certainly, sir. We''ll give you the change in local currency if that is all right. M: You needn''t worry about that. There won''t be much change. W: Thank you, sir. M: You''re welcome.