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 notice from the community newspaper announcing time and spot of the future murder. Jam packed with curiosity, several villagers Collect with the appointed home, even so the homeowner is as mys... https://gitlab.pavlovia.org/godovietnam