—— 请按键盘 空白键 开始游戏 ——

Science teaches us humility, for every discovery reveals the vastness of our ignorance.
水产养殖的未来在于循环水系统——它们将废物转化为机遇。
错误经不起失败,但是真理却不怕失败。
The essence of philosophy is not the possession of truth but the search for truth.