Railteam, the alliance of European high-speed rail operators, has shelved plans for a Europe-wide common booking system because of increasing costs.是什么意思_Railteam, the alliance of European high-speed rail operators, has shelved plans for a Europe-wide common booking system because of increasing costs.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句