He went to his parents with a proposal. "When Justin was younger, say five or six," says his mother, "he used to give away some of his allowance to help others in need. His father and I would donate a dollar for every dollar Justin donated. So he asked us if it could be like the old days, if we'd match every dollar he put into buying old bikes. We said Yes."
교과서내용인데 이부분은 도저히 모르겠네요 ㅠㅠ