anchor.diff:      1. [Structural Directives](#structural-directive), a directive responsible for
       shaping or re-shaping HTML layout, typically by adding, removing, or manipulating
       elements and their children.
  -     [结构型指针](#structural-directive)：负责塑造或重塑HTML布局。一般都是通过添加、删除或者操作HTML元素和他的子级元素来实现的。
  +     [结构型指令](#structural-directive)：负责塑造或重塑HTML布局。一般都是通过添加、删除或者操作HTML元素和他的子级元素来实现的。
   // #enddocregion d2
   
   // #docregion e1
  
positive.code:     to a [View](#view) and handling most of the view’s display
      and user-interaction logic.
  
      组件是一个用来在[视图](#view)中显示数据，并处理几乎所有视图显示以及用户交互逻辑的Angular类（Angular Class）。
  
      The Component is one of the most important building blocks in the Angular system.
      It is, in fact, an Angular [Directive](#directive) with a companion [Template](#template).
  
negative.code: <a id="R"></a>
  :marked
    ## Router
    ## 路由器
  .l-sub-section
    :marked
      Most applications consist of many screens or [views](#view).
  