—— 请按键盘 空白键 开始游戏 ——

The cement industry must evolve or become obsolete.
Our potential is one thing. What we do with it is quite another.
The only thing that matters is how you feel about yourself.
译文:巧妙的如同车辕,笨拙的如同风筝。比喻各有其用。
No man's knowledge here can go beyond his experience.