调查中利用了国家调查中的数据，对比了2001年到2006年中总收入中保险费用和日常的医疗支出。(去年的调查中这些数据还是可用的。)

The study used federal survey data to compare the cost of both insurance premiums and out-of-pocket health spending with gross incomes from 2001 to 2006-the last year for which data were available.

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积极向上的雇员在生产效率、销售额、能量水平，周转率和医疗健康费用的支出方面要胜过消极的雇员30%。

Positive employees outperform negative employees in terms of productivity, sales, energy levels, turnover rates and healthcare costs by as much as 30%.

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一个企业为了继续经营，不得不支出一定的费用和开销。

An enterprise has to incur certain costs and expenses in order to stay in business.

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