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Option is a very important finance derivative tool.
期权是一种重要的金融衍生工具。
youdao
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The stock index futures is an important financial derivative tool.
股指期货是一种重要的金融衍生工具。
youdao
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The stock index futures is an important financial derivative tool.
股指期货是一种重要的金融衍生工具。
youdao