Suppose there's a common resource out there, maybe it's a fish stock or maybe it's the atmosphere.

假如这里有一个可利用的公共资源,比如是个鱼群,或者是新鲜的空气

耶鲁公开课 - 博弈论课程节选

Because if the other countries with this fish stock-- let's say the fish stock is the Atlantic-- if the other countries are going to fish as normal, you may as well fish as normal too.

因为如果其他国家拥有这个鱼群,假设这个鱼群在大西洋,如果其他国家打算正常捕捞,你应该也会正常捕捞

耶鲁公开课 - 博弈论课程节选