—— 请按键盘 空白键 开始游戏 ——

Behavior, as such, is not to be regarded as a mere chain of muscular contractions, but rather as a purposive and cognitive affair.
我不喜欢被定义,因为我是多变的。
We must balance the need for affordable energy today with the imperative of building a sustainable energy future.
教育就是当一个人把在学校所学全部忘光之后剩下的东西。