语法问题(英文,两句话)

问题描述:

语法问题(英文,两句话)
1.the opportunity cost of product B from Q3 remove to Q4 is the quantity of product A from Q1 remove to Q2.
2.Therefore,the demand & supply curve and the action which decide by people are interactional
忘了写补充了,不好意思..请各位看看这两个句子有没有语法错误.,.
有的话请帮忙改下,

需要翻译这两句话?1.B的opportunity cost(不会翻译,只知道英语中的意思),从Q3移到Q4,是A的数量,从Q1到Q2.语法:the opportinity cost of B是主语,is是谓语,quantity of product A是宾语.Q3 remove to Q4 和 Q1 remove...