?? ??? ??? ????? ???? ???? | ??? ??? - a podcast by TED

???????? ?? ???? ???? ???? ? ??? ???? ??? ??? ???? ?? ? ??? ??? ???????. ? ???? ???? ???? ??? ???? ???? ????? ? ?? ??? ???? ???? ??? ???? ??? ??? ?? ?? ????.

Further episodes of TEDTalks 교육

Further podcasts by TED

Website of TED