对冲交易包括套期保值和跨期套利，是金融衍生商品交易市场中非常重要且较为安全的交易方式。
The spreading trade, including hedging and the arbitraging, is the important and safe operations in derivative security market.
对冲交易包括套期保值和跨期套利，是金融衍生商品交易市场中非常重要且较为安全的交易方式。
The spreading trade, including hedging and the arbitraging, is the important and safe operations in derivative security market.
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