1. It is difficult to determine Amazon's real profit because the company does not disclose all relevant information.

2. Amazon has been in a stage of rapid expansion in the past few years, often investing in new businesses and new markets, and these investments will put some pressure on the company's profits.

3. Amazon's core businesses are e-commerce and cloud computing. The market competition in these two fields is very fierce. The company needs to maintain rapid growth to remain competitive.

4. Some analysts believe that Amazon's real profit may be lower than the publicly disclosed figures because the company will reduce its tax burden in various ways.

5. In general, Amazon's real profit is difficult to determine, but the company's rapid growth and market competition pressure are the main factors affecting its profits.