???? ???????(????)????????????? ???? ????????.???? ?~??- ?? ???? - ???? ???? - ?? - ?????- ???? - ???? - ?? ?????- ?????????????? ???? ?? ???????? ???????? ?? ?? ?? ???????????????????? ?????????? ??? ???????????? ?? ?? ???????? ????????????????.During this lesson, you might find out about the term ??, which is an abbreviation in the phrase ???? T