Like, have you ever thought when you buy a car, how many people on how many different continents contributed to the manufacture of that car? Those are people in effect you're playing a non-zero-sum game with.
举个例子，当你买车的时候， 你有没有想过，有多少身处各大洲的人， 涉及了这辆车的制造过程？这些相关人士， 就是你进行非零和游戏的对象。