A study coming out in the Proceedings of the National Academy of Science found that in most poor countries, higher temperatures are more than 90% likely to have resulted in a fall in economic output, compared to a world without global warming.

发表在《美国国家科学院院刊》的一项研究发现：与不存在全球变暖的世界相比，大多数贫穷国家的经济产量有超过九成的可能性会因温度升高而下降。

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In most poor countries, excessive business regulations place a heavy burden on entrepreneurs.

在最贫穷的国家，烦琐的商业规则给创业者带来了沉重的负担。

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But it will take decades to introduce a system of tradable water rights, let alone market pricing, in most poor countries.

但引进一个可交易的水权利需要几十年，别说在大多数贫困国家进行市场定价。

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Today most of the deaths are in countries with poor health care.

VOA: special.2009.11.25

In most poor countries the patents on the drugs that people need most have already expired.

ECONOMIST: Brains v bugs

But mostly it is because fertility levels are dropping sharply in most poor countries and all rich ones.

ECONOMIST: A Survey of the 20th Century

Food prices had been falling but even then, the global price fall did not translate into a comparable decline on local markets in most poor countries, so the poor did not benefit much.

ECONOMIST: The poor and the global crisis