My Days as a Traveling Merchant in Two Worlds

Also known as "The Day I Made a Fortune as a Middleman". During a mecha exercise, Bai Xicheng accidentally traveled back to China in the 21st century from the 31st century, relying on the system to freely shuttle between the two worlds. In the 21st century, there are resources but the development of science and technology is slow. In the 31st century, science and technology are advanced but there is a lack of basic materials. Food and fruits are expensive. If you seize the business opportunities, then he will get rich and reach the pinnacle of life just around the corner! Twenty-first century. There is a lack of minerals, and the abandoned planet in the thirty-first century is mined casually. There is a lack of weapons, so just pick laser swords and mechas. Thirty-first century. There is a shortage of fresh fruits and vegetables, and tons of fruits and vegetables are shipped to me. Historical gap? Code the documents and ancient books for me! … Both eras have undergone earth-shaking changes because of a butterfly flapping its wings, and both are developing in a stronger and happier direction. Gentle attack x awkward feeling (probably~) The main thing is to be gentle on the inside, not the kind of gentle on the outside. Reading instructions: 1. It's purely a cool article, it's logical, don't do any research, the interstellar article is just for fantasy, don't go into it too deeply, it's enough for fun. 2. It has CP, focuses on career, has few emotional dramas, and is not a stock-buying article. 3. The writing style is limited, please be gentle. Purpose: Resources and technology jointly promote the development of the times