自上而下选用框架具有质量高，框架完善容易，思考速度快等特点，它是先收敛再发散的过程。目的是找一个完整结构，然后围绕结构做“问题细化”。 If you prefer all these books in checklist format, I’ve designed a printable Agatha Christie looking at checklist with all of her novels and short story collections in publication order, marked with icons to denote which detectives seem where titles. Tes... https://www.flickr.com/photos/godovietnam/