如何将任何对象/模型与另一个Django模型无关地链接？

I'm writing a simple CMS based on Django. Most content management systems rely on having a fixed page, on a fixed URL, using a template that has one or many editable regions. To have an editable region, you require a Page. For the system to work out which page, you require the URL.I'm writing a simple CMS based on Django. Most