对基础结构架构师而言，操作视图是要重点关注的视图。
To the infrastructure architect, the operational view is the one to focus on.
菜单也是用视图层次进行构架的，但你不必自己定义这个架构。
Menus are also structured using a View hierarchy, but you don't define this structure yourself.
控制器在一个MVC构架的应用里负责处理用户交互，操纵模型并且最终选择一个视图将结果呈现给用户。
"Controllers" in a MVC based application are the components responsible for handling end user interaction, manipulating the model, and ultimately choosing a view to render to display UI.
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