中文摘要：

从企业生命周期的角度对网络企业的商业模式进行分阶段研究。对我国2家知名网络企业的发展历程进行剖析,总结了商务类和技术类网络企业在不同发展阶段的商业模式。研究显示,网络经济的特征是企业选择商业模式的基础。在企业发展的不同阶段,网络经济表现出截然不同的特征,企业的商业模式也随之改变,那些与网络经济特征相适应的企业可以实现长期持续发展。最后归纳出针对网络企业服务与收费模式、产品定位、竞争策略等方面的启示。

英文摘要：

From the perspective of the lifecycle,the article makes a comprehensively study on network business model by stages.By analyzing the phases of development of two famous network enterprises it summarizes the business model during the lifecycle of the technology-oriented and business-oriented network enterprises.The study shows that the characteristics of the network economy are the basis on which enterprises choose business models.In the different stages of development it shows the business models of enterprises change with the different characteristics of the network economy.The network enterprises,whose business models are compatible with economic characteristics,can achieve long-term sustainable development.Finally the article makes some proposals for the network enterprises on service and charge model,product positioning,competitive strategy and other aspects.