dairy and dual-purpose

例句：

1. 1. I enjoy drinking milk every morning.
   我每天早上都喜欢喝牛奶。
2. 2. The dairy industry is a major contributor to the economy.
   乳制品行业是经济的主要贡献者。
3. 3. She bought some fresh cheddar cheese for her lunch.
   她买了一些新鲜的切达奶酪作为午餐。