I'm not aware that any other culture that had city states had ideas of this kind that helped make explain why one was associated with it and cared about it.

我没有发现,其他城市国家的文化中存在一种思想,能够解释,为什么人与城邦关联并为其服务

耶鲁公开课 - 古希腊历史简介课程节选

so we try and make public school systems better for children in Providence.

所以，我们希望能改善公立学校的体系，让其更好地为普罗维登斯的孩子们服务。

丰富多彩的社团活动 - SpeakingMax英语口语达人