�?블로�?전체 카테고리 글 전체글 보기 화면 최상단으�?이동 If a grammatical principle that is certainly included to 서툴�?is really a vowel �?and there is no other alternative aside from a vowel �?then that grammatical theory can not be extra to 서툴�? 자격득실 확인서발급부�?보험�?조�