which is a term that you hear a lot

如果你真的对学校午餐有所了解
when you start really getting into the trenches with the school lunch.

对这一概念定是耳熟能详了
These are foods that are defined because they contribute less than 5% of

即那些某些重要的营养成分含量
the recommended daily allowance of certain important nutrients,

低于推荐日常摄入量5%的食品
and they fall into four categories.

可分为四类
They fall into candy,soda/water, frozen desserts, and chewing gum.

即糖果苏打水冷冻甜食和口香糖
In 1980, the USDA decided that

1980年美国农业部决定
these foods of minimal nutritional value,

这些营养价值过低的食品
which include soft drinks and candy,

包括汽水和糖果
were prohibited anywhere in the school until after the last lunch.

午餐结束前学校任何地方都禁止出售
They were trying again

他们再次试着
to sort to clear out the cafeteria from these other foods.

把这些食物都赶出学校餐厅