爱不过是使用积极强化的另一个名字?或者反过来。
What is love except another name for the use of positive reinforcement? Or vice versa.
每个人都有不为世人所知的秘密悲伤;我们常常称一个人冷漠,而实际上他只是悲伤。
The greater the obstacle, the more glory in overcoming it.