based selling models
基于销售模式
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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