3차산업혁명 썸네일형 리스트형 성문종영(대명사2) 1-37 1-37 I would not claim for a moment that those years I spent at that hospital as a doctor gave me a complete knowledge of human nature. I do not suppose anyone can hope to have that. I have been studying it, consciously or unconsciously, for forty years and I still find unaccountable; people I know intimately can surprise me by some action of which I never thought them capable. "인터넷, 재생에너지 결합이.. 더보기 이전 1 다음