学习是通过修改符号结构来提高性能的过程。
Learning is the process of modifying symbolic structures to improve performance.
The boundaries between species are more porous than we think.
真正的林业领导力意味着超越季度报告的思考。
我为那些相信我的人制作音乐。
I want to liberate America from all the things that hold people back.