打8折英语

1楼的错了，打折这文化中国与英美国家有差异，应该说have a 20 percent discount.

twenty percent off \discount：八折five percent off \discount：9.5折processing fee of eight yuan per gram这样读是对的。

打折: discout, off打对折：50% discout或50% off打8折: 20% discount或20% off

举个例子 2折 80% off 对折 50% off英文相当于是算折掉的钱哈

twenty percent off