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》

School meals have to cover one-third of

学校餐饮得达到
the recommended daily allowance for calories, protein,

卡路里蛋白质部分维他命和铁
and several vitamins, and iron, and calcium.

以及钙元素三分之一的推荐日常摄入量
They also are legally supposed to have

法律认为其脂肪的热量
fewer the 30% of their calories from fat

必须低于30%
and fewer than 10% of their calories from saturated fat.

饱和脂肪的热量必须低于10%
People sometimes find that hard to believe,

有时人们觉得很难相信
but those are the guidelines

但这些确实是
that food service directors are required to follow.

食品服务主管所必须遵守的指南标准
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
Those are the foods that are sold

即是那些除了学校午餐
in addition to the school lunch in the cafeteria.

在自助餐厅卖的食品