他提出一个清除贫民窟的计划。
大城市所面临的极困难的工作之一，就是清除贫民窟和控制交通。
Among the herculean tasks confronting large cities are slum clearance and traffic control.
大城市所面临的极困难的工作之一，就是清除贫民窟和控制交通。
Among the herculean tasks confronting large cities are slum clearance and traffic control.
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