<正>Jack Ma of Alibaba and Pony Ma of Tencent have built tech titans that dominate China’s digital economy. Is the world big enough for both of them?阿里巴巴的马云和腾讯的马化腾各自打造出了主宰中国数字经济的科技巨头公司。天下之大,是否足以供二马共同驰骋?