—— 请按键盘 空白键 开始游戏 ——

人们思考得越少,他们说得越多。
科学好奇心必须与商业纪律相匹配,才能为需要的人带来治疗方法。
The most important part of teaching is to teach what it is to know.
成功的关键在于坚持和努力。
Sustainability is the future of quarrying, and we must act now.