Like a revolving door, this is the nature of the English teaching industry in Korea and around the globe. https://aibixx1.com/%EC%9C%A0%ED%9D%A5%EB%82%A8%EC%9E%90%EC%95%8C%EB%B0%94-%EB%A7%A4%EB%A0%A5%EC%A0%81%EC%9D%B8-%EA%B5%AC%EC%9D%B8%EC%9C%BC%EB%A1%9C-%EB%B0%9C-%EB%B9%A0%EB%A5%B4%EA%B2%8C-%EB%B3%80%ED%99%94%ED%95%98/
