???? ????? ????? ??????? ???????? ???????? ??????? ??????? ??? ????? ?????? ???????? ???????? ??????? ????? ??? ???? ??????? ???????. ????? ??? ??????? ?? ???? ???????? ??????? sophisticated? ?????? ????? ????? ??? {?????? ?????. ???? ?? ????? ???? ??????? ???? ??? ????? ??????? ???????? ????? ??