It means more than this.

它的意思更加丰富
The form of association that leads to

团体的形式导致
our perfection is necessarily something particularistic.

自身的完美必然要求排他主义
The city is always a particular city.

城市永远是独有的城市
It is always this or that particular city.

永远是这个或那个独有的城市
The polis, as Aristotle as well as Plato clearly understand,

如亚里士多德和柏拉图所清楚了解的
is a small society, what could be called

城邦是个小型的社会可以被称为
today a closed society.

现代意义上的封闭性社会
A society that leads to our perfection that

社会导致人们追求自身的完美
leads us to complete and perfect our telos

从而使我们完成完美自己的目标
must be held together by bonds of trust, of friendship, of camaraderie.

一定需通过信任友谊友情来维持
A society based simply on the mutual calculation of interests

一个简单基于人们相互计算利益的社会