public function deleteByCollection($langId, $area, $list)
    {
        if (empty($list)) {
            return;
        }

        foreach ($list as $group => $element) {
            DB::table('tbl_translations')
                    ->where('lang_id', $langId)
                    ->where('group', $group)
                    ->where('area', $area)
                    ->where('key', key($element))
                    ->where('value', current($element))->delete();
        }
        return true;
    }