以单位增长计算，巴西减贫比例是中国或印度的五倍还多。

Per unit of growth, Brazil reduced its proportional poverty rate five times more than China or India did.

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四周之后，那些制定了明确目标的减重者所减少的食物摄入量是另一组的两倍。

Over four weeks dieters who set themselves specific goals were able to reduce their food intake by twice as much as those just did their best.

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在实施这些政策的同时进一步推广使用乙醇，有可能使这一减排水平增加一倍。

Combining these with an increased use of ethanol could double these reductions.

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