我们那儿的客户应该定义为采购员，而不是付款单位。原理是一样的。;p

来源: 赵飞燕 于 2012-04-17 10:26:13 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (198 bytes)

you differentiate by the amount of discount. barrier to entry means access to the purchasing staff. fixed costs need to be cut to the minimum to be able to provide the service at a profit. ;p

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