의료보험 국민건강보험공단 대구수성지�?주소 전화번호 팩스번호 주차 수성구 If a grammatical basic principle that is certainly included to 서툴�?is often a vowel �?and there is no other possibility besides a vowel �?then that grammatical theory can't be extra to 서툴�? 항공편이 지연되거�