actuall knowledge ---------our thinking.A which to be based on B upon which to baseC which to base upon D to which to be basedC

actuall knowledge ---------our thinking.A which to be based on B upon which to baseC which to base upon D to which to be basedC knowledge knowledge is Knowledge is knowledge-based knowledge是什么意思? knowledge是什么意思 a knowledge knowledge造句 many knowledge knowledge要用复数吗 knowledge 不可数 ,为啥a good knowledge? practical knowledge和technical knowledge 什么区别? knowledge 的意思knowledge 的中文翻译是什么 what knowledge还是what a knowledge special knowledge specialist knowledge 什么区别 英语翻译knowledge is power. knowledge is power knowledge is power.