並前往https://odb.org/search?q=Duolingo%E4%BB%A3%E8%80%83%E3%80%90Q%E5%BE%AE%E5%90%8C%E5%8F%B7%E2%88%B610011347%E3%80%91%E4%B8%93%E4%B8%9A%E4%BB%A3%E8%80%83%E2%88%B6%E5%AE%89%E5%85%A8%E9%9D%A0%E8%B0%B1%E3%80%91GMAT%E7%BD%91%E8%80%83%E6%89%BE%E4%BA%BA%E8%80%83%E8%AF%95%E3%80%90Q%E5%BE%AE%E5%90%8C%E5%8F%B7%E2%88%B630028233%E3%80%91%E4%BB%A3%E8%80%83%E5%8C%85%E8%BF%87%E2%88%B6%E7%BB%9D%E5%AF%B9%E5%AE%89%E5%85%A8%E3%80%91ptc