There are no solutions. There are only trade-offs.
科学进步的关键是坚持和开放的心态。
In the dairy industry, safety and quality are non-negotiable.
解释:外表不端正的人,是因为德没有养成;内里不专—的人,是因为心没有治好。端正形貌,整饬内德,使万物都被掌握理解。