它是基于 共享利润（revenue sharing）的想法。
Affiliate marketing is the process of earning a commission by promoting other people’s (or company’s) products. You find a product you like, promote it to others and earn a piece of the profit for each sale that you make.
Sometimes also known as the creator, the seller, the brand, the retailer, or the vendor. This is the party that creates the product. It can be a big company, like Dyson, who produces vacuum cleaners.Or, it can be a single individual like Mariah Coz, who sells online courses to female entrepreneurs.
This party is sometimes also known as the publisher. Affiliates can also range from single individuals to entire companies. An affiliate marketing business can produce a few hundred dollars in commissions each month or tens of millions of dollars.