研究者们发现，体重指数（BMI）每增加一个单位，患正常眼压型青光眼的风险就降低6%。

The researchers found that each unit increase in body mass index (BMI) was associated with a 6 percent lowered risk for normal-tension glaucoma.

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只要修正这一偏差，三位经济学家显示，改进的巨无霸指数就可以很好地在年及年以上时间单位上预测汇率走势。

Once that is done, the three economists show that a reconstituted index is good at predicting real exchange rates over horizons of a year or more.

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上周，经合组织(OECD)发布了他们季度报告“单位劳动力成本和相关指数”。

LAST week the OECD released their quarterly "Unit Labour Costs and Related Indicators".

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