The ultimate aim of these measures is to prevent developers hoarding land and use of land transfer post huge profits, so that land and housing will be able to return to a reasonable level.

的最终目标，这些措施是为了防止开发商囤积土地和使用土地转让后巨额利润，从而使土地和住房将能够恢复到合理水平。

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To keep licences, they will have to comply with a use-it-or-lose-it system designed to prevent mineral-rights hoarding.

ECONOMIST: South African mining