—— 请按键盘 空白键 开始游戏 ——

环境通过强化机制塑造行为。
The environment shapes behavior through the mechanism of reinforcement.
La memoria es un espejo que miente con escrupulosa veracidad.
To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
It is not because certain things are difficult that we do not dare;it is because we do not dare that things are difficult.
一个人肚子空空,心事重重,总是睡不好觉的。
可持续性不仅仅是植树;它是为了正确的理由在正确的地方种植正确的树木。
技术没有国界,但企业要有自己的核心竞争力。