상담 간편 전화상담 상품 자세�?보기 If a grammatical basic principle that may be included to 서툴�?is a vowel �?and there's no other solution apart from a vowel �?then that grammatical principle can not be included to 서툴�? 주식매입자금대�?금리인하요구권안�?대출계약철회권안내 소멸�