来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第19集 第19集》

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  so we're narrowing that area.
  以此来缩小重叠部分
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  What if instead we had nutrition circles?
  那么如果这些圆圈代表的是营养呢
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  Again, you have people
  同样 这代表人
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  and here you have foods, different kinds of foods
  这代表食物 不同种类的食物
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  so in the people category you have adults,
  人群可以分为成人
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  you have kids, you have people who have predilection for obesity.
  小孩儿 还有易胖体质的人
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  In the food categories you have good foods,
  食物这一边可以分为好的食物
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  you have unhealthy foods, you have foods that are obesigenic,
  不健康的食物 会导致肥胖的食物
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  foods that are high in sugars, foods that are high in salt.
  高糖分的食物 高盐分的食物
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  You also have places,
  这还有地点
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  places being things like schools--
  地点可以有 比如 学校
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  why don't we just leave it at schools
  如果我们研究的是孩子