參考翻譯:
The only way to acquire more knowledge is by education and training. Knowledge,like capital, material resources and sweat, has become anecessary, perhaps the most fundamental factor of production. Therefore,the educational system of asociety should be able to shift towards theknowledge - based work fast,or this society will inevitably lag behind.
n. 交換,變化,移動,接班者
v. 更替,移