???? & ?????? ???????? ???????? ???? ?? ??? ?? ???? ?? ???????????????????? ??? ???? ???????? ??????? ??.?? ???? ??????, ???? ???? ???? ?? ??? ??????.With this lesson, you may find out about the term ??, that's an abbreviation from the term ???? The Korean language has advanced in this kind of way that ?? can now be considered a term, but due to Th