1. The Commons of England, the Tiers-Etat of France, the bourgeoisie of the Continent generally, are the descendants of this class. 英国的平民、法国的第三等级以及北美洲大陆上的中产阶级，通常便是这些人的后代。
2. These problems involve primarily the oceans and atmosphere—the commons which are shared by all and are the basis of our life-support system. 这些问题主要涉及海洋和大气层，而海洋和大气层是人类所共有的，是维持生命系统的基础。
3. The tragedy of the sea is the tragedy of the commons, which is that anyone with access to a common resource has an interest in over-exploiting it because if he does not, someone else will. 海洋的灾难是人类共同的灾难，这个共同性就是每一个有权使用共同资源的人在过度开发中都受到影响，因为即使某个人没有被影响，但是其他人将被影响。
英英解释
n.
1. a piece of open land for recreational use in an urban area
2. a pasture subject to common use
3. class composed of persons lacking noble or knightly or gentle rank
