—— 请按键盘 空白键 开始游戏 ——

In market design, simplicity often leads to better outcomes.
The future belongs to those who can balance economic growth with environmental responsibility.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
Psychology is concerned with the what and how of mental life, not the why.
If your tanning process wouldn't withstand a documentary film crew, it's time to rethink your methods.