The practical value of knowledge resources possesses popularity , duality of exhaustiveness and non exhaustiveness, and expansivity.知识资源的使用价值具有广普性、非耗竭与耗竭二重性及扩张性....
也许这个人说到底品行并非那么完美。Maybe this guy isn't so squeaky clean after all.他身上有着典型的英格兰人的端正品行。He had the proverbial solidity of the English.委员会一致赞扬那男孩的品行.The committee were united in their praise of the boy's behavior....