Margins for the COMEX miNY copper futures contract will increase to $2,375 from $2,125 for clearing and non?clearing members and to $3,207 from $2,869 for customers.是什么意思_Margins for the COMEX miNY copper futures contract will increase to $2,375 from $2,125 for clearing and non?clearing members and to $3,207 from $2,869 for customers.在线翻译_英语_读音_用法_例句