So by that definition, maybe they didn't have fences ... around little plots of land but didn't... They were using it.

按照这个定义，也许他们是没有在,那小块地上围上篱笆，但并不意味着。,他们在使用该土地。

耶鲁公开课 - 公正课程节选

For example, you can't acquire a land that is common property, so people in terms of the American Indians, I feel like they already have civilizations themselves and they were using land in common.

比如，你不能掠夺公共财产，对于印第安人来说，我觉得他们已经有了自己的文明,他们用的就是公共土地。

耶鲁公开课 - 公正课程节选