—— 请按键盘 空白键 开始游戏 ——

Randomized evaluations can help us understand what works and what doesn't in development.
以“我是对的”那样充满自信地讲话,但要以“我是错的”那样去聆听。
The ultimate situations - death, chance, guilt, and the uncertainty of the world - confront man with the reality of his existence.