求翻译：B to C 类的电子商务主要面向广大消费者，这样就为开发商以前对传统媒介的广告投入形成了一个有效的衔接，强化了客户对品牌的忠诚度。同时该模式有利于企业通过网络互动形式来联系和培养客户群体，传播有关信息，掌握和引导消费动向，提供及时有效的商业服务。是什么意思？

B to c class main e-commerce for consumers, this previously on traditional media advertising investment for developers formed an effective cohesion, strengthening customer loyalty to the brand. At the same time that the model makes enterprise interaction over a network to contact and customer groups, dissemination of information, master and guide consumption trends, provide timely and effective business services.