Entering the 21st century, this society had become a dog-eat-dog society. Having no money meant having no status. Li Cong was 24 years old this year, and he was unemployed after graduating from university. His beautiful girlfriend had left him, and he was in great pain. He wanted to go out for a walk at night, but he didn’t expect to encounter one adventure after another.。。。。In 2009, the world consumed 71 million barrels of oil every day. The annual average price of a single barrel was 75 US dollars per barrel, and the total amount was as high as more than 10 trillion yuan. However, the existing discovered oil was only enough for decades of use. Even with our planet’s exploration ability, the total amount of oil in the world would not last more than 50 years. After all, the annual increase in global oil use was an astronomical figure. If you mastered a large amount of light energy conversion technology, you could at least bring in hundreds of billions of dollars of income every year. In a few decades, which organization or country on Earth would have such great strength? Modifications: sxl198711 -10-0116