????? ?? ?? ??? ?? ??? ????, ? ??? ? ?? ?? ??? ???? ??? ????:1. Numerous written content ?? ????? Grownup written content?? ??? Are living ???? ??? written content? ?????. ???? ??? ??? ?? broadcast? ?? ?? ? ???, ?? group?? ??? ??? broadcast? ?? ? ???.2. Handy cell app ????? cell app? ???? ?? ???? broadcast? ??? ? ??? ?????. ?? ??? ?? ???? ???? sm