並前往https://miniruby.pixnet.net/blog/post/221654491-130207_%EC%84%B8%ED%9B%88%EC%95%84-4%EB%85%84-%EC%A0%84-%EC%A1%B8%EC%97%85-%EC%B6%95%ED%95%98%ED%95%B4-%ED%95%98%ED%8A%B8%ED%95%98%ED%8A%B8-%E5%90%B3
