Although it might seem counterintuitive, companies do make money selling open source products, as this book explains. Their profits are based on a few different business models.
尽管这听起来可能有违直觉，正如这本书解释的，公司确实靠出售公开源码产品赚钱。
Forth, analyzes personal selling ethics through game method and builds three game models, including the static game model for personal selling based on marketing ethics .
第四，将博弈分析方法用于人员推销道德研究中，建立了基于道德的人员推销道德静态博弈模型并；
Forth, analyzes personal selling ethics through game method and builds three game models, including the static game model for personal selling based on marketing ethics .
第四，将博弈分析方法用于人员推销道德研究中，建立了基于道德的人员推销道德静态博弈模型并；
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