???? ???? ??????? ?? ?????? ?????? ???? ???? ??? ????? ?? ???? ????? ??????. ????? ??? ??????? ??????? ???? ?????? ??? ??????. ????? ??????? ??????? ?????????. ????? ?????? ?????? ?????? ?? ??????. ???? ??????? ??????? ????? ???? ?? ???????. ?????? ???? ????? ??????? ??? seeking ???? ?????? ??? evaluate ??? factors. , First and ????? ??