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https://izupen.com/2017/03/08/daily-conversation-%e3%82%92%e7%9b%ae%e6%8c%87%e3%81%99%e3%81%93%e3%81%a8%e3%81%8c%e6%84%8f%e5%a4%96%e3%81%ab%e3%82%82%e4%b8%80%e7%95%aa%e9%9b%a3%e3%81%97%e3%81%84%ef%bc%9f%e3%82%88%e3%82%8a%e6%b0%97/
Daily Conversation を目指すことが意外にも一番難しい?より気軽、かつ効率的に勉強するには?