1.Do you have any coupons ?
2.Can you give me a discount? 3.Today all the jewellery is on sale. 4.Can you offer a quantity discount? 5.Lower the price and I'll consider it. 6.I'm sorry.We only sell at fixed prices. 7.Is there any bargaining on this price? 8.We give 10 percent discount for cash. 9.The best I can do is to give you a discount of 15%. 10.If you keep bargaining with them, they will reduce the price.

你们有优惠卡吗？
你能给我打个折吗？ 今天所有的珠宝全部折价出售。 大量采购有折扣吗？ 价钱低一点我才会考虑。 很抱歉，我们店不还价。 这个价钱还可以商量吗？ 现金付款，我们提供九折优惠。 我最多能给您打85折。 如果你讲讲价，他们可能会降低价钱。