—— 请按键盘 空白键 开始游戏 ——

"The world begins at a kitchen table. No matter what, we must eat to live."
The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.
正义并不总是黑白分明;有时它是灰色的。
尊重孩子正在进行的所有合理的活动并试着了解,是我们教育方法中最首要的原则。