anchor.diff:      event listeners, pull changed values from the screen, and
       update application data values ... all by hand.
       
  -    我们当然可以自己处理这些操作：将数据显示到HTML网页，添加事件监听器，从屏幕获取数据变化，然后更新数据等等……
  +    我们当然也可以自己处理这些操作：将数据显示到HTML网页，添加事件监听器，从屏幕获取数据变化，然后更新数据等等……
   
       Or we could declare the relationship between an HTML widget
       and an application data source ... and let a data binding
  
positive.code:     Angular modules are delivered within *scoped packages* such as `@angular/core`, `@angular/common`, `@angular/platform-browser-dynamic`,
      `@angular/http`, and `@angular/router`.
      
      Angular模块是用一系列*范围化包*的形式发布的，比如`@angular/core`, `@angular/common`, `@angular/platform-browser-dynamic`,
      `@angular/http` 和 `@angular/router`
  
      A [*scoped package*](https://docs.npmjs.com/misc/scope) is a way to group related *npm* packages.
      
      [*范围化包*](https://docs.npmjs.com/misc/scope)是对有关联的*npm*包进行分组的一种方式。
      
      We import a scoped package the same way we'd import a *normal* package. 
      The only difference, from a consumer perspective, 
  
negative.code:     Almost always refers to [Data Binding](#data-binding) and the act of
      binding an HTML object property to a data object property.
  
      几乎都是指的[数据绑定(Data Binding)](#data-binding)和将一个HTML对象属性绑定到一个数据对象属性的行为。
  
      May refer to a [Dependency Injection](#dependency-injection) binding
      between a "token" or "key" and a dependency [provider](#provider).
      This more rare usage should be clear in context.
  
      有可能指的是[依赖注入(Dependency Injection)](#dependency-injection)在一个令牌(Token)或键值(Key)和一个依赖的[供应商(Provider)](#provider)之间的绑定。
      这种用法很少，而且一般都会在上下文中写清楚。
  
  :marked
  