總會有代價,很可能是另一个指标下
回答: 确实有些牵强,想说的是在一个充分竞争的市场里,同等价位下,玩的就是各种指标的平衡,一般来说,一个指标上,总会有代价,很可能是另一
由 halleluya
于 2015-10-06 12:08:31
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