271. If this coat doesn’t fit, you may bring it back later.
272. If there’s something wrong with it, please come back to me.
273. You may exchange it for something of the same price
274. Do you have the receipt?
275. We will make good on this cassette player.
276. The rules are the rules. I’m sorry we can’t refund your money because it was used improperly.
277. I’m afraid they are not the same price, and the balance is 32 yuan.
278. We’re sorry that this has happened.
279. All goods purchased here can be delivered free.
280. We’ll arrange for a trained technician to install it for you.