As you start to drill down into the Portal application patterns, you find the following diagram which summarizes the various types of functionality found in each business and integration pattern.
在研究Portal应用程序模式时，您会找到下面这张图，它总结了每个业务和集成模式中的各种功能。
2
The drill down pattern involves obtaining detailed information about an entity that you already have found.
逐步深入模式涉及到获得有关您已经找到的条目的详细信息。
3
But drill is boring, especially repeating the pattern.