If income inequality were a sport, the residents of 740 Park Avenue in Manhattan would all be medalists. This address boasts the highes t number of billionaires in the United States. 　　 　　如果收入不公是一项运动，那么曼哈顿公园大道740号的居住者都能拿到奖牌，这里聚集了美国最多的亿万富翁。