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					Last week, for example, Postmaster General Pat Donahoe announced plans to stop mail delivery on Saturdays, a move he says could save three billion dollars annually. 出自-2016年12月听力原文
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					could save $10 billion to $24 billion annually in health care costs 出自-2013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 teams are trained annually using a framework known as the three Ps: people, property, product. 2019年12月四级真题(第二套)阅读 Section B
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					This is pushing sales of new microwaves which are expected to reach 135 million annually in the EU by the end of the decade. 2019年12月四级真题(第一套)阅读 Section C