【答案解析】[听力原文] 68-70 W: I am calling to complain about a chair that I bought. After using it only once, one of the legs broke off. Luckily, no one was injured. M: Oh my! I apologize for your situation, and I'm glad to hear there were no injuries. W: Thank you. I have the receipt, warranty, and serial number at hand. Is there any other information you need? M: No, that's it. Please read me the warranty number first. We'll need that information right away.