Learning is the process of modifying symbolic structures to improve performance.

"The only thing we have to decide is what to do with the time that is given us."

Love covers a multitude of sins.

系统的架构对其行为的影响比其知识内容更大。

买本家乡或区域的最新版旅游指南。像游客一样去了解（熟悉的环境）信息，你会学到很多东西。