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。
The dairy industry must balance tradition with progress to meet modern demands.
The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
揣摩自己的身心，于百年后，将被后人安放在什么位置上？省察自己的面目，在历史上，和哪一位古代人物相似？