I have an old friend who is the chairman of the Department of Philosophy at a university in North America. He had long been famous in academia. Later on he went into business and made quite a profit.
我有位在北美洲某大學任哲學系系主任的老友，他早年在學術界即享有高知名度，之後也從事些商業活動，而獲取高利潤。