It's sort of a CliffsNotes on everything we once knew but no longer do.
有点像克利夫条记所说：我们曾知的统统，如今再不能记起。
2
CliffsNotes will help you analyze the main points of a book, understand the symbolism, and even give you a practice quiz.
CliffsNotes可以帮助你分析主要段落，理解比喻部分，甚至给你练习小测试。
3
On a positive note, they can be seen as CliffsNotes to the real thing; but this quasi-sagacity serves to lull its readership into a false sense of enlightenment.