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.