????? ??? purchase ? ??? ?? ??? ?????? ???? ??????. ?? ??? ??? ?? ? ????? gift card? ???? ??? ???? ???? ?? cultural gift card? ?? cultural content? ??? ? ? ?? ?? ??? ????, micro-payment ??? ?? ???? ??? ? ? ???? ? ????? CultureLand?? ???? ?? ?? ??? gift card? ???? ??, ???? ?? ?? ? ?? ??? ??? ???? ? ?? ??????? gift card discount? micro-payment? ????