And they need to overcome the obstacle that most slum-dwellers have weak or non-existent property rights.

并且思考者还需要克服障碍：绝大部分居于陋屋的人都少有或者没有产权。

youdao

In a typical ploy, the nazim of the southern Punjabi city of Multan, Faisal Mukhtar, promised property rights to slum-dwellers in the city.

举一个典型的例子，巴基斯坦南部旁遮普人的木尔坦的警察总长费萨尔•穆卡塔尔曾做出一个承诺，即要为城市的贫民区的居民提供房产权。

youdao

Progress in meeting these challenges would be shown by a fall in the proportion of slum-dwellers, who currently account for 70% of urban inhabitants.

应对这些挑战所取得的进展将从难民比例下降中体现出来，目前难民占城市居住人口的70%。

youdao

And that number is predicted to more than double to reach 2 billion slum-dwellers by 2020.

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