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渐增承诺,先定个小目标 artwork
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渐增承诺,先定个小目标

销售小学问 by 听友78206432

Sep 5, 201705:16Business

渐增承诺是哈佛商学院推荐的最新销售方式。拿下竞争对手和客户,可能这是最好的办法。