—— 请按键盘 空白键 开始游戏 ——

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
质量是企业的生命,是品牌的基础。
The North Sea has been a powerhouse of energy for decades, and it still has a vital role to play in the UK's energy security.
剧院是一面反映人类状况的镜子。
你所需要的只是爱。
我不追随潮流,我走自己的路。
数学思想的美丽之处在于它可以跨越文化和时间被分享和理解。