??????? ??? ??? ?? ??? ?????????, ?? ???????????? ??? ??????? ??? ??? ?? ??????? ??? ??????????? ??????.??????? ????????? ??? ??????? ???????? ??????????????????? ????????? ?????????????? ?? ???????? ??? ?? ???????????????.M?? ????? ?????? ??? ?????? ???? ????? ??????? ??? ??? ????????? ??? ???????? ??? ????? ?????? ??? ??????? ???In summary, CTR o