I have a great source of prosperity in the world. Especially the families in the south of the Yangtze River, they are so rich. There is a family named Jiang in Linzhou, the south of the Yangtze River. His grandfather, Jiang Da, started in Weishi, and later owned a wealth of ten thousand. He had two sons. The eldest son was called Jiang Shang, and the second son was called Jiang Shu. Jiang Shangdun Nu, Jiang Da was afraid that the family business would not be passed on, so Fei...