Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-chs.png)
无法添加重复的查询选项“<var>X</var>”。
Unlocalized message![](/img/flags/en.png)
Can't add duplicate query option '<var>X</var>'.
Search by Google无法添加重复的查询选项“<var>X</var>”。
Can't add duplicate query option '<var>X</var>'.
Search by Google