我如何使用变量在 ng-model 中动态创建

How can i create dynamicly in ng-model using variable

<input ng-model="company.title_{{selectedLang}}"
       type="text" placeholder="" class="form-control">

我已经试过了:

<input ng-model="company.title_[selectedLang]"
       type="text" placeholder="" class="form-control">

没用。 谁能帮帮我?

<!-- REPLACE this
<input ng-model="company.title_{{selectedLang}}"
       type="text" placeholder="" class="form-control">

-->

 <!-- WITH this -->
 <input ng-model="company['title_'+selectedLang]"
        type="text" placeholder="" class="form-control">