—— 请按键盘 空白键 开始游戏 ——

"The more we learn about life, the more we realize how much we have yet to discover."
I think of a hero as someone who understands the degree of responsibility that comes with his freedom.
数学的进步不仅仅依靠个人的努力,而是通过几代人的集体工作。
Our industry must be part of the solution to climate change. We have the skills, the technologies and the responsibility to act.