最近要去瑞士，请问哪位有瑞士或其他欧洲国家的签证经验？比如他们需要A copy of
your flight ticket/itinerary. Open tickets are not accepted. 和If requested,
a valid visa in your travel document for the country you are visiting after
leaving the Schengen space.不是很理解啊！
另外，谁去过瑞士和其附近的国家，有没什么路线推荐一下啊！
