有没有一种鸟叫不懂鸟，布谷鸟的远亲。每当人应该学习，但既学不动又学不懂的季节，它就会来你耳朵旁边叫：“不懂，不懂！”
翻开书想了半小时不懂鸟，学习进度为零
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
