Soren Andreasen, a social scientist at Dalberg Global Development Partners who supervised the writing of the report, defended it, saying that it was clear that the numbers were rough estimates.

索伦·安德瑞森是一名社会科学家，在达尔伯格全球发展伙伴公司负责监督报告的撰写，他为它进行辩护，称这些数字显然是粗略估计的。

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According to rough estimates, unemployment has doubled this year from about 10%.

据粗略估计，今年的失业率从10%翻了一番。

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According to rough estimates, there are about 120m electric bicycles in China, 700000 of them in Beijing.

据初步统计，全国约有1.2亿辆电动自行车，北京约有70万辆。

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Rough estimates of famine victims in the next few years range upwards from 10m.

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According to rough estimates, malaria and insects kill as many security personnel as die in combat against Maoist rebels.

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Rough estimates suggest it was about 1, 500 times faster than the best mechanical hand-cranked calculator of that era, he added.

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