?? ????? ?? ?????/???/??? ???? ??/??/?? ??? ???/???/??? ???? ?? ??. ??, ????? ??? ??? ???/21???/???? ?? ?? ???/????/???? ?? ? ??? ????. ??? ??/??/??? ? ? ??? ??? ???? ??? ????? ????? ????/???? ????/???? ???? ????? ??? ??? ??. ????? ??? ?? ???? ?? ???/????/???? ????? ??, ??????, ???? ???? ??/?? ???/???. ??? ???, ?? ??? ??? ?? ??? ???? ?? ??? ? a
스마트폰: 현대 사회의 필수품
?? ????? ?? ?????/???/??? ???? ??/??/?? ??? ???/???/??? ???? ?? ??. ??, ????? ??? ??? ???/21???/???? ?? ?? ???/????/???? ?? ? ??? ????. ??? ??/??/??? ? ? ??? ??? ???? ??? ????? ????? ????/???? ????/???? ???? ????? ??????? ??? ??? ??. ????? ??? ?? ???? ?? ???/????/???? ????? ??, ??????, ???? ???? ??/?? ???/???. ??? ???, ?? ??? ??? ?? ??? ???? ??
스마트폰: 현대 사회의 필수품
?? ????? ?? ?????/???/??? ???? ??/??/?? ??? ???/???/??? ???? ?? ??. ??, ????? ??? ??? ???/21???/???? ?? ?? ???/????/???? ?? ? ??? ????. ??? ??/??/??? ? ? ??? ??? ???? ??? ????? ????? ????/???? ????/???? ???? ????? ??? ??? ??. ????? ??? ?? ???? ?? ???/????/???? ????? ??, ??????, ???? ???? ??/?? ???/???. ??? ???, ?? ??? ??? ?? ??? ????? ?? ??? ?
최고의 소중함?
?? ????? ?? ?????/???/??? ???? ??/??/?? ??? ???/???/??? ???? ?? ??. ??, ????? ??? ??? ???/21???/???? ?? ?? ???/????/???? ?? ? ??? ????. ??? ??/??/??? ? ? ??? ??? ???? ??? ????? ????? ????/???? ????/???? ???? ????? ??? ??????? ??? ??? ????. ????? ??? ?? ???? ?? ???/????/???? ????? ??, ??????, ???? ???? ??/?? ???/???. ??? ???, ?? ??? ????? ?? ???