ghetto
/ˈgetəu; `ɡɛto/ n
(pl ~s)
1 (formerly in some countries) Jewish quarter of a town （旧时某些国家的）城市中的犹太人区.
2 (often derog 常作贬义) area of a town lived in by any minority national or social group, typically crowded and with poor housing conditions 少数民族居住区; 贫民区
the clearance of slum ghettos to make way for new housing developments 为建筑新住宅区而对贫民区的拆除
a rich people's ghetto, ie an area in a town where rich people live, surrounded by poorer people （贫民区中的）富人区.