Gay G D,Kim T H,An Investigation into Seasonality in the Futures Market[J].The Journal of Futures Markets,1987,7.是什么意思_Gay G D,Kim T H,An Investigation into Seasonality in the Futures Market[J].The Journal of Futures Markets,1987,7.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句