食物支出下降了30%，服装和娱乐支出分别上升了9%和7%。

The expenses on food have declined by 30% while those on clothing and recreation have increased respectivily by 9% and 7%.

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对于基准线来说，最初的贫困线仅仅与一项指标相挂钩：食物支出占年收入的比重。

For starters, the original poverty line is pegged to only one thing: food costs as a share of annual income.

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1966年，平均每个家庭外出就餐的花费占总食物支出预算的31%——而在2011年，比例达到49%。

In 1966, the average family spent 31 percent of its food budget dining away from home - in 2011, it was 49 percent.

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