I see millions whose daily lives in city and on farm continue under conditions labeled indecent by a so-called polite society half a century ago.

我看到几百万城乡居民，他们的日常生活仍处于半个世纪以前被所谓上流社会称作的不体面状况。

She was taught the decencies of polite society from a young age.

她从小就被教导礼仪。

He is a guy that lives by a different code than most polite society will ever understand or accept.

他们是这样一群人， 他们用不同的生存代码编写自己的生命，而儒雅的社会却永远不理解，也不接受他们 。