It is a closed society in the sense that they've not been exposed to many things.

就他们没有机会接触太多事物而言，那是个闭塞的社会。

Oxford university was also in a sense a closed society, with its powerful conformities .

具有严格规章制度的牛津大学在某种意义上来说也是一个与外界隔绝的社会。