The bank drew up a fresh index to get around the knotty problem of defining "urban"; this new measure puts the world's city-dwelling population at about 47% in 2000.

世行新创了一种计算方法，绕过了棘手的“城市”定义问题，得出2000年世界城市居民人口约占(世界总人口的)47%。

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Europe's urban problem lies with stagnant or slow-growing population levels, and in the south at least, very weak economies.

欧洲的城市问题在于人口增长缓慢或停滞，南部地区经济疲软。

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Owing to the over population in urban areas and the lack of employment opportunity, the crime rate is also a huge problem we are faced with.

由于城市地区人口过多和就业机会不足，犯罪率也是我们面临的一个巨大问题。

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