?? ?? ???? ?? ??? ???? ???? ????, ?? ??? ( ?? ?? ?? ?? ??? ???, ???? ??? ? ??? ???? ?? ?? ??? ?? ?????? ?? ???? ??? ??? ??? ? ?? ?? ????. ??? ??? ??? ??? ??? It is mainly used by Koreans, Vietnamese, Japanese, and Chinese, and when you Visit the lounge in which you can relaxation once the provider, you may see that Many of them are Korean ????