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Yet due to poor practices in harvesting, storage and transportation, as well as market and consumer wastage, it is estimated that 30-50% of all food produced never reaches a human stomach.
出自-2013年12月阅读原文
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Of the roughly 40 million books in US libraries, for example, an estimated 32 million are in copyright.
出自-2011年12月阅读原文
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Interest in this aspect of the settlement has focused on "orphan" works, where there is no known copyright holder – these make up an estimated 5-10% of the books Google has scanned
出自-2011年12月阅读原文
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It is estimated that 25% of all methane that released into the atmosphere coming from farm animals.
出自-2013年6月听力原文
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The WCRF has estimated that 19,000 cancers a year in Britain could be prevented if people lost their excess weight with growing evidence that excess body fat increases the risk of various cancers.
出自-2010年12月听力原文
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It estimated that step would save hundreds of billions of dollars over the next decade.
2016年6月六级真题（第二套）阅读 Section B
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It is estimated that in 2014 the world produced some 42 million metric tons of e-waste discarded electrical and electronic equipment and its parts with North America and Europe accounting for 8 and 12 million metric tons respectively.
2019年6月六级真题（第二套）阅读 Section B
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Some scientists are examining the potential for harvesting icebergs form Antarctica, which is estimated to have the biggest reserves of fresh water on the planet.
2016年12月六级真题（第三套）阅读 Section B
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The " African-American " group estimated that he earned about ＄37, 000 a year and had a two-year college degree.
2015年12月六级真题（第一套）阅读 Section C
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Together, the value of these metals is estimated to be about $52 billion.
2019年6月六级真题（第二套）阅读 Section B