quantity n．数量；数额
(教材P32) Processed foods often contain less nutrition，and have higher quantities of sugar，salt，and fat than fresh ingredients.
加工食品通常含有较少的营养，并且比新鲜原料含有更多的糖、盐和脂肪。
[例1] Quantities of food were spread out on the table.许多食品被摊放在桌子上。
[例2] The quantity and quality of the fruit can be controlled.
水果的数量与质量可以被控制。
