practical knowledge和technical knowledge 什么区别?

practical knowledge和technical knowledge 什么区别? 请问the knowledge 和 a knowledge 有什么区别 special knowledge specialist knowledge 什么区别 knowledge和information区别 knowledge和knowladge的区别 knowledge lore knowledge ken 有什么区别? knowledge和learning有哪些区别? knowledge什么意思 ___he has limited technical knowledge ,the old worker has a information 与knowledge 的区别 beyond my knowledge什么意思?