anchor.diff:    使用AoT编译器时的国际化，需要一些针对AoT的设置。
     以[合并翻译文件之前](#app-pre-translation)的应用项目开始，并参见[AoT烹饪书](aot-compiler.html)，把它变成与AoT兼容的项目。
     
  -  Next, issue an `ngc` compile command for each supported language ,including English.
  +  Next, issue an `ngc` compile command for each supported language, including English.
     The result is a separate version of the application for each language.
     
     接下来，为每种支持的语言（包括英语）运行一次`ngc`编译命令。
  
positive.code:   Notice that it waits for the `getTranslationProviders()` promise to resolve before
    bootstrapping the app.
  
    注意，它等待`getTranslationProviders`承诺的解析完成后，才引导应用。
  
    The app is now _internationalized_ for English and Spanish and there is a clear path for adding
    more languages.
  
negative.code:   and pass it to `bootstrapModule`.
    Open the `src/main.ts` and modify the bootstrap code as follows:
  
    从`getTranslationProviders()`返回的翻译提供商创建_options_对象，并将其传给`bootstrapModule`。
    打开`src/main.ts`并这样修改引导代码：
  
  +makeExample('cb-i18n/ts/src/main.ts', null, 'src/main.ts')(format=".")
  