健康的森林是有韧性的森林。
麦克斯韦方程式不足以设计电动机不是计算机的错。
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
当信息不完美或市场不完整时，市场本身不会产生有效的结果。
Agricultural modernization is not a slogan, but concrete action.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
燕子飞来时正值春社，梨花凋落后便是清明时节。
"Writing is a journey into the unknown, a quest for understanding in a world full of mysteries."