In part, this is because the cost of living in metropolitan areas is much greater than in rural areas.

在某种程度上，这是因为生活在大都市区的成本比农村要大得多。

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It costs more to educate a student in New York than in Alabama, so we adjusted per-pupil spending figures for each metropolitan area based on Economy.com's national cost of living average.

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So costs to live in the major metropolitan areas would be about 25% higher than the average because the cost of living for the United States is 100.

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