—— 请按键盘 空白键 开始游戏 ——

The goal of mathematics is to understand the universe in a deeper way.
Incentives matter because they guide behavior in predictable ways.
The greatest significance of cloud computing is that it lowers the threshold of innovation.
一个人的心灵美好,是不可能掩蔽的,这会表现在形体容貌上,也能在神色上看得出来。