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

You can explain to the waiter that he has made a mistake by using the "I didn't" pattern.

你想跟服务员解释，他弄错了。你就可以使用“I didn't”句型。

I didn't 课堂 - SpeakingMax英语口语达人