anchor.diff:    Here's a visual idea of where we're going in this tour, beginning with the "Dashboard"
     view and our most heroic heroes:
     
  -  在这个教程中，还有一些可视化思想。放一个“仪表盘（Dashboard）”视图，来显示我们最勇敢的英雄。
  +  在这个教程中，还引入了一些可视化思想：放一个“仪表盘（Dashboard）”视图，来展示我们最勇敢的英雄。
   
   figure.image-display
     img(src='/resources/images/devguide/toh/heroes-dashboard-1.png' alt="英雄仪表盘的输出")
  
positive.code:   We could click them to navigate between this Dashboard and a Heroes view.
  
    这个仪表盘中有两个链接：“仪表盘”和“英雄”。
    我们将点击它们，以便在“仪表盘”和“英雄”视图之间导航。
  
    Instead we click the dashboard hero named "Magneta" and the router takes us to a "Hero Details" view
    of that hero where we can change the hero's name.
  
negative.code: 
    The following diagram captures all of our navigation options.
    
    下面这个图汇总了我们所有可能的导航路径。
  
  figure.image-display
    img(src='/resources/images/devguide/toh/nav-diagram.png' alt="查看导航")
  