안내introduction 안내문letter of notice; notice; introduction 안내인guide; docent; receptionist 계획안schedule; plan; blueprint 답안answer; correct answer; solution 답안지answer sheet; answer paper 방안way; measure 안내견guide dog 안내소information desk; information booth 안내원guide; docent; receptionist

국내interior of a country; domestic territory 내과internal department 내용content; substance 시내downtown 안내introduction 안내문letter of notice; notice; introduction 안내인guide; docent; receptionist 교내being in school 국내선local line; domestic service 국내적local; domestic

교과서textbook 도서관library 독서reading 서류document; papers 서점bookstore 엽서postcard 추천서letter of recommendation; letter of reference 가입서registration documents 계산서check; bill 계약서contract; written agreement