AThis blouse is a special offer today. You can have it at 10% off the regular price.
这件衬衫是今天的特别推荐商品，价钱可以打九折。
BIt's nice, but still too expensive. Can you give me a 20% discount?
是不错。但还是太贵了。能打八折吗？
ANo. 10% is my last word.
不行，最多打九折。
BCome on. Let's split the difference, 15%.
算了，让我们折中一下，八五折吧。
更多信息请查看入门口语