this post is targeted at those people who are youthful in terms of travel age and have just entered the wide and hectic discipline of enterprise flights. ?. ????????: ?? ????? ???? ?? ????? ? ????? ????? ??? ? ????????? ??????? ??????? ???????? ??? ?? ?????? ??????? ? ??? ????? ???. ???? ???? ????????: ????? ?????? ?????? ????? ????????? ?????? ?