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hedger造句怎么写

  • hedger造句怎么写

  • Ihavealreadymentionedthelabourofthehedgerandditcher,ofthebuilderofwallsordykes.Whenthelongestholdingperiodoffuturescontractsisshorterthanthehedgingperiod,thehedgerhastousetwoormorefuturescontractsoverlaptohedgingforthespot....
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