Taobao's e-commerce operation model is C2C. C2C is actually a professional term for e-commerce, which is e-commerce between individuals. C refers to consumers, because the English word for consumers is Customer (Consumer), so it is abbreviated as c, and because the pronunciation of 2 in English is the same as to, C to C is abbreviated as C2C. C2C means e-commerce between consumers. For example, a consumer has a computer and sells it to another consumer through the Internet. This type of transaction is called C2C e-commerce.