anchor.diff:      If Webpack should resolve extension-less files for styles and HTML,
       add `.css` and `.html` to the list.
   
  +    如果我们希望Webapck也能解释不带扩展名的样式和HTML文件，在列表里追加`.css`和`.html`即可。
  +
   a#common-rules
   :marked
   :marked
     #### _module.rules_
  +  
  +  Rules tell Webpack which loaders to use for each file, or module:
  +  
  +  Rules用来告诉Webpack加载不同文件或模块时该用哪个加载器。
     
     Rules tell Webpack which loaders to use for each file, or module:
   
  
positive.code:   You'll need polyfills to run an Angular application in most browsers as explained
    in the [Browser Support](browser-support.html) guide.
  
    Polyfills should be bundled separately from the application and vendor bundles.
    Add a `polyfills.ts` like this one to the `src/` folder.
  
  +makeExample('webpack/ts/src/polyfills.ts', '', 'src/polyfills.ts')(format=".")
  
  
negative.code:   After that brief orientation, you are ready to build your own Webpack configuration for Angular apps. 
    
    经过简短的培训之后，我们准备为Angular应用构建一份自己的Webpack配置了。
  
    Begin by setting up the development environment.
    
    从设置开发环境开始。
  