总体生活满意度随个人与国家收入的增加而提高，从中向我们揭示，社会环境对生活的满意指数起着非常重要的作用。
Overall satisfaction with life went up with both personal and national income, suggesting societal circumstances play an important role in happiness.
英国已经就公众的生活满意度进行了民意调查，而且可能成为首个由官方出面调查国民总体幸福指数的国家。
Britain already polls the public on their life satisfaction levels, and could become the first country to officially monitor its general happiness.
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