决策者和医学专家们需要从全球视野考虑,是否应该采取行动以防出现抗菌药物的“公地悲剧”。十九世纪初期,英格兰羊毛需求日益飙升,牧民们为此四处放牧。那时候,很多羊群在公共的牧场吃草,那些牧场被称为“公地”。但公地被大量的羊群过度肆虐,其他的羊群或牛群觅不到足够的食料,数量开始减少并逐渐发育不良。自然而然地,因为草料的缺乏,所有公地的使用者深受其害。“公地悲剧”是经典案例,用以解释行为合理的个体,从个 Policymakers and medical experts need to consider from a global perspective whether or not to take action to prevent the “tragedy of the commons” of antimicrobial agents. In the early nineteenth century, the demand for wool in England was soaring and pastoralists were grazing around. At that time, many flocks graze in public pastures called “commons.” However, the common land was excessively ravaged by a large number of flocks. Other flocks or herds could not find sufficient foodstuffs, and the number began to decrease and gradually develop poorly. Naturally, all commoners suffer from the lack of fodder. “Tragedy of the commons ” is a classic case to explain the behavior of reasonable individuals, from a