Gao Shanwen calculated today: China will join the ranks of high-income economies as soon as this year; China's GDP will surpass that of the United States within 10 years. China's total economic output will certainly surpass that of the United States, and after surpassing it, it will always maintain its position as the world's largest economy for quite a long time. This is an extremely significant change in the world economic pattern since the United States became the world's largest economy at the end of the 19th century, and will have a far-reaching impact on the global order.