给与持有人在未来日期以特定价格买入或卖出货币权力的合约
A contract that gives the holder the right to buy or sell currency at a specified price at a future date
以上为机器翻译结果，长、整句建议使用 人工翻译 。
给与持有人在未来日期以特定价格买入或卖出货币权力(但非义务)的合约。
A contract that grants the holder the right, but not the obligation, to buy or sell currency at a specified price during a specified period of time.
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