고지서를 받으�?송달지(실거주지)�?변경하실려�?서비스를 신청하여 주시�?바랍니다. If a grammatical basic principle that's additional to 서툴�?is usually a vowel �?and there's no other selection other than a vowel �?then that grammatical theory cannot be extra to 서툴�? 위의 자료들을 �