모든 콘텐�?기사)�?저작권법의 보호�?받는 �? 무단전재, 복사, 배포 등을 금합니다. If a grammatical basic principle that's extra to 서툴�?is a vowel �?and there's no other selection in addition to a vowel �?then that grammatical theory cannot be extra to 서툴�? Any grammatical basic principle the place There's a alternative of Successfully Submitted (Awaiting Approval)