认知指的是所有感官输入被转换、简化、详细阐述、存储、恢复和使用的过程。
The only way to learn a new programming language is by writing programs in it.
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.
我从未见过一个我不试图用机械方法解决的问题。