不考虑绅士化[1]的梦想，非洲城市还需要在城中心留出为穷人提供廉价房屋的空间。

And regardless of their dreams of gentrification, African cities need to make room in their centres for cheap housing for the poor.

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思考者必须使大公司相信自己能从廉价房屋中赚钱，因为只有他们才能产生必须的经济规模以便达到目标价格。

They must persuade big companies that they can make money out of cheap homes, because only they can achieve the economies of scale needed to hit the target price.

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同样，三名巴黎的建筑师也在研究一种廉价方法，来改善和翻修现存公寓中有着住户的现代房屋。

And three architects in Paris have researched an inexpensive way to improve and renovate existing modern housing developments while residents stay in their apartments.

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