—— 请按键盘 空白键 开始游戏 ——

To teach mathematics is to inspire the next generation of thinkers and problem solvers.
The essence of computational thinking is abstraction and automation.
不要问医生你该做什么;而是问医生,如果他处于你的情况下,他会做什么。你会惊讶地看到其中的差异。
The world needs responsible miners who understand the value of both minerals and the planet.
"Writing is the painting of the voice."