Confucious said that real knowledge is knowing the extent of one's ignorance.Aristotle and Socrates said the same thing.Is it a skill that can be taught or learned? It probably can, if you have enough of a stake riding on the outcome...
孔子说，真正的知识是知道自己无知的程度。亚里士多德和苏格拉底也说过同样的话。这是一种可以传授或学习的技能吗？也许可以，只要你对结果有足够的兴趣......
确实需要一些勇气来承担如此影响深远的工作。
循环经济原则可以将林业部门的废物转化为价值。