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。

《柯林斯英汉双解大词典》

Is it just the closed society?

这是一个封闭的社会吗？

youdao

Saudi Arabia is a closed society.

沙特阿拉伯是一个封闭的社会。

youdao

The polis, as Aristotle as well as Plato clearly understand, is a small society, what could be called today a closed society.

如亚里士多德及柏拉图清楚明白,是一个小型的社会，即今日所称的封闭社会。

耶鲁公开课 - 政治哲学导论课程节选

Will the best regime be a small closed society ? that through generations has made a supreme sacrifice towards self-perfection? Think of that.

最优的政体会是一个小型封闭的社会吗,经过多代之后，已壮烈地牺牲于自我完善之中,想想这个问题。

耶鲁公开课 - 政治哲学导论课程节选

But their closed society gave them some protection from the excesses of the state.

ECONOMIST: Ion Cioaba

The International Olympics Committee awarded the games to China in 2001 saying it would promote openness in a very closed society.

NPR: China Curbs Visiting Media's Internet Access

It is a closed society, closed authoritarian society in a world where everywhere else free markets, democracy is making substantial progress.

CENTERFORSECURITYPOLICY: Center For Security Policy