The key is my signature before the service.

来源: 于 2009-09-18 19:04:00 [旧帖] [给我悄悄话] 本文已被阅读：次

Like the example I already mentioned, you go to car repair service (or your house roofing repair service) to consult them 20 minutes. Then they send you $200 bill. Will you pay?