—— 请按键盘 空白键 开始游戏 ——

The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
图书馆的存在本身就提供了最好的证据,证明我们对人类的未来仍可抱有希望。
In the realm of algorithms, simplicity is the ultimate sophistication.
试图在不激发学生学习欲望的情况下进行教学的老师,就像在冷铁上敲打。