The United States leads the world as the strongest economy, with a GDP exceeding $27 trillion. Its success is due to its technological innovation, robust financial market, and ability to attract global investment. China ranks second, with a GDP close to $20 trillion, standing out for its investment in infrastructure and digitalization.
Yes, we do know which country has the best economy. You can easily find that information with a simple Google search, so I don't understand why you needed to use an AI text generator to generate this information because I can clearly see the tone and voice in this writing. You do not write it, I can guarantee. Let me give you a tip, try to at least write your posts on your own, is this such a hassle? It's literally just two sentences that you've posted and you still thought you needed an AI to get it done for you. Don't be so lazy.
If English is not your first language and that's the reason why you are doing this (because I could see some posts from you in a local board in your post history) then at least try to learn some English, or maybe use a translator which is at least better than generating the whole text using an AI. Alternatively, you can use tools that can help you in your writing such as Grammarly if you think you make a lot of mistakes.