But, by using the melamine additive, the feed seller makes a heftier profit because melamine scrap is much cheaper than soy, wheat or corn protein.

• 但是,用三聚氰胺添加剂饲料，卖方牟取高额利润，因为三聚氰胺废料要比大豆,小麦或玉米的蛋白质要便宜许多。