英语翻译

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英语翻译
 

 

4.A (because they are substitutes for each other)
5.E (according to the law of demand)
1.A (according to the law of demand)
2.C (.不懂怎麼解释)
3.C (consumers are more willing to buy cheaper goods)
下次把分类改成经济,不然没有人会回答~
.好像没有这分类