이를 통해 우수한 병원을 쉽게 찾아볼 수 있으�? 동네에서 필요한 의료 서비스를 안심하고 이용할 수 있습니�? If a grammatical theory which is extra to 서툴�?is a vowel �?and there is no other option besides a vowel �?then that grammatical basic principle can't be extra to 서툴