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20集 第20集》

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  but those are the guidelines
  但这些确实是
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  that food service directors are required to follow.
  食品服务主管所必须遵守的指南标准
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  The problem has been what's called competitive foods.
  但问题主要在于那些所谓的竞争性食品
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  Those are the foods that are sold
  即是那些除了学校午餐
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  in addition to the school lunch in the cafeteria.
  在自助餐厅卖的食品
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  As many of you probably remember, in the school cafeteria,
  你们许多人可能记得 在学校餐厅
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  you had sort of the official lunch of the day
  也有那种每日的正式午餐
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  but then there were often other snacks or beverages,
  但通常也有其他零食或饮料
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  or just one component of the lunch like one hamburger,
  或只是午餐的一个部分 比如一个汉堡
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  or just French fries that you could buy separately.
  或只是炸薯条 能分开购买
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  Those are all competitive foods
  这些都是竞争性食品
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  because they compete with the full school lunch.
  因为它们同全份学校午餐竞争