December 5th-7th China Futures Association, ZCE and Eurex jointly hosted the Options on Commodity Futures Research and Training Class in Zhengzhou, which is the first options class in China.是什么意思_December 5th-7th China Futures Association, ZCE and Eurex jointly hosted the Options on Commodity Futures Research and Training Class in Zhengzhou, which is the first options class in China.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句