—— 请按键盘 空白键 开始游戏 ——

可持续性已不再是一种选择,而是任何希望长期繁荣的企业的必需品。
"The only limit to our realization of tomorrow will be our doubts of today."
工商业和农业一样都是国家的根本
The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.