???? ????? ??. ?? ???? ???? ????? ?? ??? ??? ?????“???????????????????????”??????????? ??? ? ? ???, ?? ???? ??? ???? ?? ?? ??? ?? ?? ?? ? ??? ? ??.You should use ZOOM for lessons both of those with your phone and computer. Please down load ZOOM beforehand if you select to make use of your cellular phone for the class.??? ????? ?? ????? ??? ?? ?