classification allows us to focus on one or two features and see something in terms of those characteristics alone. to classify plants and animals, we have to ignore all the variations that distinguish one plant from another and one animal from another.

밑줄 친 부분 해석을 못하겠어요.... 해석 매끄럽게가 잘 되지 않아요 .
해석 좀 꼭 부탁드리겠습니다. ^^