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在币安买入比特币季度合约时，必须预存充足的保证金以覆盖潜在亏损。然而，这笔潜在亏损仅在强制平仓或合约到期时需要偿付。如果是永续期货合约，则需要每隔? https://tiannakpiv346688.theblogfairy.com/29198824/rumored-buzz-on-虚拟货币投资

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