??? ??? ???? ??? ???(??? ????????? ?????? ??).
??? ??? ???? ??? ??? ?????? ??? ??? ???? ???.
?? ???? ???? ??? ??? ???? ? ?? ??? ????????? ??????? ????? 2? ???.
???? 9??? ?? ???? ??? ? ??? ??? 26~28? ??? ??? ??? ??? ???? ????.
? ??? “??? ??? ??? ??? 20? ??? ??? ???? ??. ??? ????? ???? ???? ??? ??????? ?? ?? ???? ????”? ???.
(??=??1)