According to Professor Pretty, it was a conservative estimate.

根据普雷蒂教授的说法，这是一个保守的估计。

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The largest firms in America and Britain together spend more that 15 billion a year on CSR, according to an estimate by EPG, a consulting firm.

根据咨询公司 EPG 的评估， 美英两国最大型的公司每年在企业社会责任层面上投入共计超过150亿美元。

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According to a September estimate from the Pew Hispanic Centre, some 300,000 unauthorised immigrants arrived in 2009, down from 850,000 in 2005.

根据皮尤拉美裔中心九月份的估算，2009年，从2005年的850,000降至大约有300,000名未授权移民者到达美国。

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According to one estimate, India's underground economy accounts for 50% of the country's gross domestic product.

BBC: Indian currency

According to one estimate more lost their jobs last year than at any time before.

ECONOMIST: Robert Nardelli leaves Home Depot with a big pay-off

About 70% of unskilled rural black women in South Africa are unemployed, according to one estimate.

ECONOMIST: South Africa