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More than 90% of the human and economic losses from climate change are occurring in poor countries, according to the report.
出自-2011年6月阅读原文
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air pollution costs the global economy more than $5 trillion annually in welfare costs, with the most serious damage occurring in the developing world.
2018年12月四级真题（第一套）阅读 Section A
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These are all fundamental commitments that are now occurring later in life.
2019年6月四级真题（第一套）阅读 Section B