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”。 The Villagers of Chipping Cleghorn are astonished to browse a detect while in the neighborhood newspaper asserting time and put of an future murder. Brimming with curiosity, quite a few villagers Obtain at the appointed residence, though the homeowner is... https://start.me/w/L4YL5Q