What are the basic modes of traditional investment-oriented e-commerce?

BTB, BTC, CTB, CTC at present, there is a world-famous ABC model, in which A is the agent and B is the merchant. C is the consumer, and the three identities can be transformed into each other. So as to establish an interactive, three-dimensional and full-circulation pipeline. Achieve multi-party win. Integrate social resources, consume your business and manage your consumption. Zero-cost investment, integrate resources around you. I hope I can help your friend. If you want to know more, you can call me.