A text message from Mei Dun's mother.

Excuse me, Tmall International, Ocean Terminal, Maiden, global sources Net, Dunhuang Net and Dalong Net belong to B2C, B2C, B2B, B2B respectively.

B2B (also written as BTB, abbreviation for business to business) refers to the business model in which enterprises exchange and transmit data and information and conduct trading activities through private networks or the Internet. It integrates enterprise intranet and enterprise products and services with customers through B2B websites or mobile clients, and provides better services to customers through the rapid response of the network, thus promoting the business development of enterprises.

B2C refers to an e-commerce model and retail model that directly sells products and services to consumers. The payment method of B2C e-commerce is a combination of cash on delivery and online payment, and most enterprises choose logistics outsourcing to save operating costs. With the change of users' consumption habits and the promotion of excellent enterprise demonstration effect, the number of online shopping users is increasing. In addition, some large-scale examinations, such as the civil service examination, have also begun to implement the B2C model. Its basic needs include user management needs, customer needs and supplier needs.