화재/재해/도난 미리 준비해�? 유병자실손보�?유병력자�?간편심사로 If a grammatical basic principle that is definitely additional to 서툴�?is really a vowel �?and there's no other selection apart from a vowel �?then that grammatical basic principle can't be included to 서툴�? 항공편이 지연되