???? ??????? ????? ????? ????? ??? ?????? ? ?????? ????? ? ????? ?????‌??? ??????? ? ????? ???? ??? ???? ? ???‌??? ?????? ?????? ?? ???? ?????? ??? ???? ?? ?? ?? ????? ?? ?? ????? ???? ?? ??? ????? ?????? ?? ??????? ??? ???. Industry has interpreted partnership in a number of strategies