anchor.diff:  block includes
     include ../_util-fns
     - var _prereq = 'node and npm';
  +  - var _prereq_cn = 'node 和 npm';
     - var _playground = 'playground';
     - var _Install = 'Install';
     //- npm commands
  
positive.code: 
    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。
  
    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。
  
    1. Run `!{_npm} !{_start}` to launch the sample application.
  
      运行`!{_npm} !{_start}`来启动例子应用。
  
  a#clone
  :marked
  
negative.code:   你应该在自己的电脑上[本地开发](#why-locally "为什么在本地开发？")... 你也应该在本地环境学习 Angular。
    </span>
    
    Setting up a new project on your machine is quick and easy with the **QuickStart seed**,
    maintained [on github](!{_qsRepo} "Install the github QuickStart repo"). 
  
  