고지서를 받으�?송달지(실거주지)�?변경하실려�?서비스를 신청하여 주시�?바랍니다. If a grammatical basic principle that is added to 서툴�?is actually a vowel �?and there is no other option aside from a vowel �?then that grammatical basic principle cannot be added to 서툴�? 앱을 다운받�