???? ?? ??? ??? ????(PI·President Identity)? ?? ??? ‘??? ??·?? ??? ??? ??’? ???? ??.
??? ???? 21? “PI? ?? ??? ????, ??? ??? ?? ? ?? ??? ?? ??? ??? ???? ?????, ????? ???? ??? ??? ????? ?”??? ????.
??? 2? ??? ??? ?? ??? ??????? PI? 9?? ?????? ????.
??? ?? mhpark@donga.com