상담 간편 전화상담 상품 자세�?보기 If a grammatical basic principle that is definitely extra to 서툴�?can be a vowel �?and there's no other solution besides a vowel �?then that grammatical basic principle cannot be included to 서툴�? - 마스크의 기준: 성상, 형상, 순도(색소, �?�?알칼�? 형�