个概念叫机会成本。她失去的是拥有1000块钱,可以有多种选择的机会。也许下次她会看到10K打折成1K的,她却没有budget了。那她损失了多少?
个概念叫机会成本。她失去的是拥有1000块钱,可以有多种选择的机会。也许下次她会看到10K打折成1K的,她却没有budget了。那她损失了多少?
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完了。。。。这下更赚了!
-舞女-
♂
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09/23/2016 postreply
10:35:09
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