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14集 第14集》

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  a lot of what we can do.
  做我们所做的这些
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  Physical activity, of course we have a wide range of activities.
  体育活动 我们当然有很多种活动
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  We recognize that every time we talk about physical activity,
  尽管我们相信能量平衡的归中型
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  even though we believe in the centrality of energy balance,
  一谈到体育运动
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  your first reaction is going to be one
  我们的第一反应仍是
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  that this is a self-serving interest, that we're trying to
  体育运动是一种利己行为 我们试着
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  divert attention away from the main topic which is calories in
  从热量这个主要话题中转移注意力
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  and that's why we put it down here,
  这也是为什么我把这项放在这里讲
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  not at the top.
  而不是在前面讲
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  We're doing all of this stuff,
  这些事情我们都做了
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  but we also need to do
  我们还需要
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  a greater amount of effort to change the physical activity environment.
  努力改变体育运动的环境