'error.access_denied' => '拒绝访问。',
'error.sys' => '系统错误。',
'error.db' => '数据库错误。',
+// TODO: translate the following.
+// 'error.feature_disabled' => 'Feature is disabled.',
'error.field' => '不正确的"{0}"数据。',
'error.empty' => '栏目"{0}"为空。',
'error.not_equal' => '栏目"{0}"不等于栏目"{1}"。',