—— 请按键盘 空白键 开始游戏 ——

The only way to change behavior is through manipulation of reinforcement contingencies.
Every challenge in energy production is an opportunity to innovate and improve.
想象并非作为现实的否定或补偿而形成;它在符号之间生长,从一本书到另一本书,在重复和评论的间隙中;它在书籍之间的间隔中诞生并成形。
La palabra es el arma más poderosa que tiene el ser humano.
The best way to build trust is through transparency.