乳制品行业必须在传统与进步之间取得平衡，以满足现代需求。
In the end, we are all alone with our own thoughts and our own fears.
To understand oneself is to understand the world.
课程从来不是简单的中立知识集合，它总是选择性传统的一部分，是某些人或群体对合法知识的愿景。