並前往https://www.facebook.com/boutihostel/posts/knock-knock-joke%E6%98%AF%E4%B8%80%E5%80%8B%E8%A5%BF%E6%96%B9%E5%85%92%E7%AB%A5%E5%B8%B8%E7%8E%A9%E7%9A%84%E7%AC%91%E8%A9%B1%E9%81%8A%E6%88%B2%E5%AE%83%E6%98%AF%E9%80%99%E6%A8%A3%E5%AD%90%E7%8E%A9%E7%9A%84a-knock-knockb-whos-therea-phrase-ab-phrase/834159536668010/