Louisiana, go back to the slums and ghettos of our northern cities, knowing.

路易斯安那去吧；回到我们北方城市中的贫民窟和黑人居住区去吧。

But this is very much the case in the ghettos and barrios of the United States.

但这在美国的贫民区也是实际存在的情况。

Part of a civilized society is to let people go to medical school who come from ghettos.

文明社会的一部分就是要让各个社区的人们可以进入医学院。

They live in caste-based ghettos; rarely socialise across caste lines, and never inter-marry.

他们住在以种姓为基础的贫民区，所以也就很少跨界社交，更不要提联姻了。

It started among the big brass bands of the city's black ghettos at the end of the 19th century.

爵士乐于19世纪晚期兴起于城市黑人区的大铜管乐队。