学习在于改变介于刺激和反应之间的某些中介过程。
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.
并不存在一个自由美国和一个保守美国的区别 - 只有团结的美利坚合众国。
"Home is not always a place; sometimes it’s the people who make you feel you belong."