World Business Report - China's richest man retires. What's next? - ÃÛÑ¿´«Ã½ Sounds

World Business Report - China's richest man retires. What's next? - ÃÛÑ¿´«Ã½ Sounds
China's richest man retires. What's next?
Jack Ma, billionaire founder of Chinese e-commerce giant Alibaba, is retiring aged 54.