—— 请按键盘 空白键 开始游戏 ——

解析:学习不在数量,而在精通。
个人的就是普遍的,普遍的也是个人的。
The best performance improvement is the transition from the nonworking state to the working state.
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.