anchor.diff:    
     The *Parent Finder* sample is full of circular class references that are impossible to break.
     
  -  这个*父级寻找器*例子是到处都是类循环引用，我们无法打破。
  +  这个*父级寻找器*例子里，到处都是我们无法打破的类循环引用。
     
     In the [*Alex/Cathy* example](#known-parent) above:
     
  
positive.code: <a id="component-element"></a>
  :marked
    ## Inject the component's element
    ## 注入组件的元素
    
    On occasion we might need to access a component's corresponding DOM element. 
  
negative.code:   The `runnersUpFactory` itself isn't the provider factory function.
    The true provider factory function is the function that `runnersUpFactory` returns.
    
    `runnersUpFactory`自身不是供应商工厂函数。真正的供应商工厂函数是`runnersUpFactory`返回的函数。
    
  +makeExample('cb-dependency-injection/ts/app/runners-up.ts','factory-synopsis','runners-up.ts (excerpt)')(format='.')   
  :marked
  