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질문할 때 예의를 지키시기 바랍니다.(빨리... 고수분만..... 이런 식의 요구는 자제 바랍니다.)
질문 내용 :

①He worked for a magazine and drew commercial illustrations.
②By the early 1960s, as a successful illustrator he gained huge popularity from diverse social groups, including intellectuals, well-heeled aristocrats and Hollywood celebrities.
③with his experience as an illustrator, Warhol began to take his subject matters from commercial goods.①,②,③번 문장 해석 부탁드려요..