这样可以省去渠道和用户的推广费用。
裘新告诉记者：产品开发完成后，公司就没有推广费用了。
Qiu Xin tells a reporter: After product development is finished, the company does not have promotion expenses .
同时，市场推广费用，也是DJ音乐网站的另一项大宗支出。
In the meantime, market promotion expenses, also be a large amount of another of DJ music website defray.
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