- 西方经济学(00139) - 专业知识收录平台"> - 西方经济学(00139) - 专业知识收录平台">
A.增加购买商品1,减少购买商品2
B.同时增加购买两种商品
C.减少购买商品1,增加购买商品2
D.同时减少购买两种商品
正确答案是A
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