�?블로�?전체 카테고리 글 전체글 보기 화면 최상단으�?이동 If a grammatical theory that may be extra to 서툴�?is actually a vowel �?and there's no other selection aside from a vowel �?then that grammatical principle can not be added to 서툴�? In practice, the phrase “있다�?can modify to a differ