https://blog.faceutil.com/2020/04/24/daum-mini-dic-%eb%8b%a4%ec%9d%8c-%ea%bc%ac%eb%a7%88-%ec%82%ac%ec%a0%84-adobe-acrobat-reader-dc-%ec%96%b4%eb%8f%84%eb%b9%84-%ec%95%84%ed%81%ac%eb%a1%9c%eb%b1%83-%eb%a6%ac%eb%8d%94-%ec%98%81/