사설출판사 장문독해 [46~48] 다음 글을 읽고 물음에 답하시오. (A) In The Psychology of Achievement, Brian Tracy writes about four millionaires who made their fortunes by age thirty-five. They were involved in an average of seventeen business before finding the one that took them to the top. They kept trying and changing until they found something that worked for them. That's..