?????? ?? ?? ?? ???? ???????????? ???????????? ?? ?? ? ??? ???? ??? ????? ??? ???? ??? ??? ??? ? ????. ???? ?? ??? ??? ??? ? ???? ???? ????? ?????.???? ??????? ???????? ???????. ??? ???????In this lesson, you may understand the phrase ??, that is an abbreviation of the term ???? The Korean language has advanced in this type