A: There's a major problem with room 507.
B: I'm sorry to hear that. Please tell me the exact problem.
A: This room is overrun with cockroaches.
B: There has been an occasional silverfish in the hotel, sir.
A: I stopped counting at nine.
B: Sir, this hotel just passed a thorough insect inspection with flying colors.
A: Your inspector needs spectacles. The fact is that cockroaches are running rampant.
B: I apologize, sir. Just a second, while I transfer you to my supervisor.
vi. 道歉,谢罪