—— 请按键盘 空白键 开始游戏 ——

Happiness is holding someone in your arms and knowing you hold the whole world.
我们现在都被互联网连接着,就像巨大大脑中的神经元。
经常给你的孩子朗读书籍,能够加深你们之间的羁绊,激发孩子的想象力。
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.