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”。 To offer the very best ordeals, we use systems like cookies to retailer and/or accessibility system data. Consenting to these systems will permit us to procedure knowledge for instance searching actions or unique IDs on This web site. Not consenting or w... https://www.crokes.com/godovietnam/info/