1. High reputation-the largest book purchasing website in China.
2. There is a price advantage-both are lower than the pricing, and both are between 2-9 fold.
3. After-sales service-can be returned, and big cities can pay on delivery.
4. There is no mandatory membership obligation.
5. Freight-No matter how many copies are in 5 yuan.
6. (Important) As a book, you must not pirate it if you buy it.