????? ???? ??????? ?? ???????? Helping You Understand ???? ??????? ????? ?? ?????? ??????? ??????????????? ?? ???????????? ??????? ???????????? ??????? ?? ??????????????? ????? ?? ???????????? ??????? ?? ????? ?? ???? ??????? ?????? ?????? ????? ?????? ????? ?? ??????. ????? ???? ??????? ??????? ?????? ????????? ??? ?????? ??????? ????? ?? ?????