—— 请按键盘 空白键 开始游戏 ——

世界是一场伟大的戏剧,我们是其中的演员。
质量是企业的生命,没有质量就没有市场。
石材行业必须拥抱可持续性才能在现代世界中蓬勃发展。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
Mathematics is the music of reason.