ASP.NET MVC - 解决方案布局建议

I have been working with ASP.NET MVC for a couple of months now and I'm still not happy with the layout of my project's solution. I am trying to construct a mid-sized website CMS that is as portable and reusable as possible and there are some obvious problems in the design of it. I am looking for some advice regarding how I should structure my solution in consideration of separation of concerns. I've found I have been working with ASP.NET MVC for a coup