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일반적으로 통신사에서 제공하는 소액결제 서비스를 이용해 상품이나 서비스를 구매한 뒤,
???, ??? ? ?? ??? ????? ????? ??? ???? ?? ? ??? ??? ? ????.???? ???? ??? ?? ?? ???? ???, ???? ??? ??? ?? ???, ??? ?? ??? ????? ????? ???? ?? ?????.????, ????, ???? ?? ???? ???? ??? ???? ?? ????. ????? ???? ??? ????? ???????, ??? ?? ??? ??? ??? ??? ???? ? ??? ???? ????? ??? ??? ?? ????? ?? ? ?? ??? ?? ??? ??? ???? ??? ??? ??? ??? ???? '??? ??'? ???