{{'app:course:view:unzip-fail'|translate}}
{{'app:course:view:no-course-file-2'|translate}}
{{'app:course:view:un-zip'|translate}}
{{'app:course:view:zip-ing'|translate}}
{{'app:course:view:refresh-try'|translate}}{{'app:course:view:mobile-limit'|translate}}~