Amazon and Tmall Global each have their own advantages, and which one is better depends on your needs and preferences.

Here are some of their features for comparison:

1. Product variety and price: Amazon has more product varieties worldwide, and the price is relatively more advantageous, especially for imported products. Tmall Global is mainly domestic products, while also covering some overseas brands, and the price is relatively affordable.

2. Logistics and distribution: Amazon's self-built logistics system is relatively mature and controllable, and genuine books have advantages. Tmall Global relies on third-party logistics, and logistics information can be tracked throughout the process.

3. After-sales service: Amazon and Tmall Global both provide after-sales service, but Amazon's after-sales service may be more comprehensive. Tmall Global merchants need to equip their stores with Wangwang Chinese consultation and provide domestic after-sales service.

4. Reputation and word of mouth: Amazon is a well-known e-commerce platform worldwide with high reputation and word of mouth. Tmall Global is backed by Alibaba Group and has a high reputation.

5. Payment methods: Amazon supports multiple payment methods, such as credit cards, Alipay, etc. Tmall Global also supports multiple payment methods, such as Alipay, WeChat Pay, etc.

In short, Amazon and Tmall Global each have their own characteristics and advantages. You can choose the platform that suits you based on your personal needs, shopping preferences, and considerations for after-sales service, logistics, and payment methods. It is recommended that you purchase once on each platform to personally experience which one is more suitable for you.