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  • bitdays.co.kr/2021/05/15/%ec%b4%88%ec%9d%8c%ed%8c%8c-%ec%9e%a5%eb%b9%84-%ec%8b%9c%ec%9e%a5%ec%97%90-covid-19%ec%9d%98-%ec%98%81%ed%96%a5-%ec%88%98%ec%9a%94-%ec%a6%9d%ea%b0%80-%eb%af%b8%eb%9e%98-%eb%b2%94%ec%9c%84/ (port 80)