anchor.diff:  
     1. [Clone](#clone "Clone it from github") or [download](#download "download it from github") the **QuickStart seed** into your project folder.
   
  -    [克隆](#clone "从 github 克隆")或者[下载](#download "从 github 下载")**《快速起步》种子**到你的项目目录。
  +     [克隆](#clone "从 github 克隆")或者[下载](#download "从 github 下载")**《快速起步》种子**到你的项目目录。
   
     1. !{_Install} [!{_npm}](#install-prerequisites "What if you don't have !{_prereq}?") packages.
       
  -    安装 [!{_npm}](#install-prerequisites "如果你没有 !{_prereq} ？") 包。
  +     安装 [!{_npm}](#install-prerequisites "如果你没有 !{_prereq} ？") 包。
   
     1. Run `!{_npm} !{_start}` to launch the sample application.
   
  -    运行`!{_npm} !{_start}`来启动例子应用。
  +     运行`!{_npm} !{_start}`来启动例子应用。
   
   a#clone
   :marked
  
positive.code: 
      * you can't ship your app in plunker
  
      * 你不能在 plunker 里面发布你的应用
  
      * you aren't always online when writing code
  
      * 编程时你不可能总是在线
  
      * transpiling TypeScript in the browser is slow
  
      * 在浏览器中编译 TypeScript 很慢
  
      * the type support, refactoring, and code completion only work in your local IDE
  
      * 只有本地IDE有类型支持、代码重构和代码自动完成
  
      Use the <live-example><i>live coding</i></live-example> environment as a _playground_, 
      a place to try the documentation samples and experiment on your own.
  
negative.code: block includes
    include ../_util-fns
    - var _prereq = 'node and npm';
    - var _prereq_cn = 'node 和 npm';
    - var _playground = 'playground';
    - var _Install = 'Install';
    //- npm commands
  