它通过指数化税收优惠，用代金券量度通货膨胀小于近十年来健康保险成本的增长值来达到巨额的健康保险储蓄。

It achieves its huge health-care savings by indexing the tax credits and vouchers to a measure of inflation smaller than the estimated growth in health costs over recent decades.

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研究发现食物券使用者的平均身体质量指数要比非使用者高1.15。

Researchers found that the average user of food stamps had a Body Mass Index (BMI) 1.15 points higher than non-users.

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