My undergraduate thesis is entitled "Research on the profit model of online bookstore based on mobile commerce". You said it should be related to e-commerce. Then you can write "Research on the Profit Model of Online Bookstore", collect several successful online bookstores, such as Dangdang, Joyo and Bertelsmann, as cases, bring their current profit models based on e-commerce, make a table by classification, discuss the main profit models, and finally write down the possible profit models and development in the future.

Keywords: online bookstore e-commerce profit model