�?블로�?전체 카테고리 글 전체글 보기 화면 최상단으�?이동 If a grammatical theory that may be included to 서툴�?is usually a vowel �?and there's no other solution aside from a vowel �?then that grammatical principle can't be additional to 서툴�? 해외여행 준비중이라�?주목! 여행자보�