The U.S. government says food accounts for more than 21 percent of solid waste.

「After paper products, what accounts for the largest category of U.S. solid waste? Food, plastics, yard trimmings, or metals? 」在美国，除了纸制品以外，最多的固体垃圾种类是什么？食品、塑料、庭院装饰还是金属？美国政府表示，食物占固体垃圾的21%以上。

The prices are then carefully checked by other students like Nooneem, who manages the food accounts.

然后，其他学生（如管理食品账户的Nooneem）会仔细核对价格。

Agriculture, which produces our food, accounts for 18%.

生产我们食物的农业占 18%。

In all, we know of at least 400 proteins for more than a hundred and seventy foods that cause allergic reactions with eight foods accounting for 90% of those.

我们已知的 400 多种蛋白质中有一百七十多种可能引发过敏反应的食物，其中 90% 的食物都包含在以下八种食物中。

A study by the National Institutes of Health found that junk foods account for 1 out every 7 calories in adults and 1 out of every 5 calories in children.

美国国立卫生研究院的一项研究发现，成年人摄入的每7卡路里中就有1卡路里来自垃圾食品，儿童摄入的每5卡路里中就有1卡路里来自垃圾食品。

She enjoys managing the food accounts because it's real world experience. The phrase real world describes how the world works in reality, rather than someone's idea of it, which might be unrealistic.

她喜欢管理食品账户，因为这是现实世界的经验。real world这个短语描述的是现实世界是如何运作的，而不是某个人对它的想法，因为这个想法可能不切实际。