—— 请按键盘 空白键 开始游戏 ——

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?
行为主义者放在自己面前的规则或衡量标准总是:我能否用"刺激和反应"来描述我所看到的这一行为?
The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.
【讲解】:不怕东西少而怕分配不均匀,不怕贫困而怕不安定。
Writing is a way of talking without being interrupted.