Facebook和Zynga等公司从游戏的道具出售中赚取了大笔的收入。在电脑游戏中,那些“虚拟商品”其实都没有物理本体存在。但由于游戏日益受到大众的喜爱,虚拟商品也创造了数十亿美元的现实利润。这些用于购买虚拟商品的积分体系甚至有可能发 Companies such as Facebook and Zynga make big money from the sale of game props. In computer games, those “virtual goods” actually have no physical ontology. But as the game is increasingly popular with the public, virtual goods have also created billions of dollars in real profits. These points for the purchase of virtual goods system may even be made