The generalized travelling salesman problem, also known as the "travelling politician problem", deals with "states" that have (one or more) "cities" and the salesman has to visit exactly one "city" from each "state".
广义旅行商问题，又称“旅行政客问题”，处理“国家”中有（一个或多个）“城市”，而旅行商需要在每个“国家”访问恰好一座“城市”。