The need to communicate is a key characteristic of human society.

　　需要交流是人類社會(huì)最重要的一個(gè)特征。

　　They were discussing the problems of Western society.

　　當(dāng)時(shí)他們正在討論西方社會(huì)的問題。

　　The police play a vital role in our society.

　　警察在我們的社會(huì)中起著極其重要的作用。

　　Our society is in a state of flux.

　　我們的社會(huì)在不斷演變。

　　Many young people no longer feel they have a stake in society.

　　很多年輕人不再覺得他們與社會(huì)休戚相關(guān)。