https://blog.gongquiz.com/2024/01/27/%ec%95%84%eb%9e%98-%ea%b7%b8%eb%a6%bc%ea%b3%bc-%ea%b0%99%ec%9d%b4-a-scope%ec%97%90%ec%84%9c-%ed%95%98%eb%82%98%ec%9d%98-%eb%82%a0%ec%b9%b4%eb%a1%9c%ec%9a%b4-%ed%98%95%ed%83%9c%ec%9d%98-%ec%97%90/