Inadequate urban transport sector coordination and management is one of the major challenges facing all Chinese cities.

改善城市交通部门的协调和管理问题是中国各个城市面临的一个挑战。

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However as with almost all Chinese cities Lanzhou suffers from heavy pollution problems and smoke from the refineries obscure what would have been a clear blue sky.

但是，同几乎所有中国城市一样，兰州因重度污染问题以及来自冶炼厂的烟雾遮盖了曾经清朗湛蓝的天空而饱受痛苦。

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However, as with almost all Chinese cities, Lanzhou suffers from heavy pollution problems and smoke from the refineries obscure what would have been a clear blue sky.

但是，同几乎所有中国城市一样，兰州因重度污染问题以及来自冶炼厂的烟雾遮盖了曾经清朗湛蓝的天空而饱受痛苦。

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After all, the Chinese government in 2011 announced it will be building 20 cities a year in each of the next 20 years.

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For all its eco-friendly talk, Shanghai has shown the same disregard as other Chinese cities for those displaced by its relentless development.

ECONOMIST: The Shanghai World Expo