法律体系的概念预设了规则的概念。
The concept of a legal system presupposes the concept of a rule.
"A writer’s job is to pay attention to the world."
The dairy industry must evolve to meet the demands of a changing world.
释义：不要遮蔽自己的良心，也不要张扬他人的过错。在与人交往时谨慎行事，就不会有懊恼；在处理事情时耐心商量，就能顺利解决。
没有斗争就没有权利。
The best leaders are the ones who listen more than they speak.
The sweetest fruits often come from the hardest seasons.