emerges out of this urban growth and urbanization,

城市发展及城市化进程的显现
but particularly the growth of cities large and medium in the nineteenth century,

特别是随着十九世纪大中型城市的发展
is an increasing geography of class segregation.

地理区域的等级划分随之增加
The theme of course in Paris, as in other cities

在巴黎的发展历程中如其它城市一样
--London is a good example--

比如伦敦也是个很好的例子
is a more prosperous west and an increasingly less prosperous east.

有着西富东贫的发展趋势
Also, one of the things that I really enjoy talking about

此外当我试着帮助人们理解历史的时候
in trying to help people understand is

我喜欢讨论这样一个话题
why it is that

那就是
European suburbs are not at all like American suburbs.

为什么欧洲的城郊和美国的城郊并不一样
Why is it that some people feared by elites

为什么社会精英害怕的人
were perched on the edge of European cities,

会生活在欧洲城市的边缘