anchor.diff:  
     `app.component.ts` is the application's root component. It will host our new `HeroFormComponent`.
     
  -  `app.component.ts`是本应用的根组件，我们的`HeroFormComponent`将放在其中。
  +  `app.component.ts`是本应用的根组件，我们的`HeroFormComponent`将被放在其中。
   
     Replace the contents of the "QuickStart" version with the following:
     
  
positive.code:   Why don't we write the template inline in the component file as we often do
    elsewhere in the Developer Guide?
    
    这次我们为什么不像开发人员指南中的其它地方那样写成组件的内联模板呢？
  
    There is no “right” answer for all occasions. We like inline templates when they are short.
    Most form templates won't be short. TypeScript and JavaScript files generally aren't the best place to
  
negative.code:   Here at the *Hero Employment Agency* we use this form to maintain personal information about the
    heroes in our stable. Every hero needs a job. It's our company mission to match the right hero with the right crisis!
    
    这里是*英雄职介中心*，我们使用这个表单来维护候选英雄们的个人信息。每个英雄都需要一份工作。我们公司的任务就是让适当的英雄去解决他/她所擅长应对的危机！
  
    Two of the three fields on this form are required. Required fields have a green bar on the left to make them easy to spot.
    
  