一般情况下在美国商店里买东西是没有讨价还价的。但很多情况下是可以的。比如美国人的garage sale，大街上的交易或跳蚤市场里的交易。 特别是有当你买大东西的时候，比如房子、车子时一定要记得和对方讲讲价。不然你就亏大了。
　　下面列举的是议价时可能用到的句子：

　　How much is this？

　　How much will that be？

　　How much are these altogether？

　　I think this is too expensive.

　　That's little too much for me. Could you make it less for me？

　　I can't afford it. This is too much.

　　This is not a reasonable price.

　　I don't have this much cash on me. Will you make it little cheap？

　　What's the regular price？ Do I get discount on this？

　　Tell me what's the best price you can do for me？

　　If I pay you cash， will you give me some discount？

　　I'd buy this if you can make it a little less expensive.

　　I'd buy it if you reduce the price a little.

　　May I have a discount on this？

　　Will you give me a discount？

　　Can I have a discount？

　　Would you give me a discount if I buy three of these？

　　I've come all the way from China； please give me a better price.