https://blog.gongquiz.com/2023/03/04/%ea%b8%b0%ec%b2%b4%ec%86%90%ec%83%81%ec%9d%98-%ec%9c%a0%ed%98%95-%ec%a4%91-%eb%a7%88%eb%aa%a8abrasion%ec%97%90-%eb%8c%80%ed%95%9c-%ec%84%a4%eb%aa%85%ec%9c%bc%eb%a1%9c-%ec%98%b3%ec%9d%80-%ea%b2%83/