全句是这样的：it's$2.5 a child,with 80 pence off for two or more children from the same family
问题描述：
全句是这样的：it's$2.5 a child,with 80 pence off for two or more children from the same family
有谁可以翻译一下这一句么
答
每个小孩要2.5美元,但是如果同一个家庭有两个多多个小孩,则打2折(去掉80%)