angularjs如何设置正确的功能范围?

have this ng-repeat

有这个ng-repeat

<li class="tmmenu-admin-tabs-builder-panel-portlet" ng-repeat="question in questions">
    <div>
        <span class="tmmenu-admin-tabs-builder-panel-portlet-toggler" ng-click="tatbppTogler()">{{{tatbppt}}}</span>
        <span class="tmmenu-admin-tabs-builder-panel-portlet-number">{{question.id}}</span>
        {{question.text}}
    </div>
    <div class="tmmenu-admin-tabs-builder-panel-portlet-options" ng-show="showTatbppo">
        ...
    </div>
</li>
<li class=