他们认为，如果需求上涨的话，自己能永远滚动短期债务或卖出抵押债券。

They believed they could always roll over their short-term debts or sell their mortgage-backed securities, if the need arose.

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对冲基金和世界各地的银行购买债券，或债券有关的风险，在以抵押债务证券(CDO)形成不良住房贷款的支持。

Hedge funds and Banks around the world purchased bonds, or risk related to bonds, backed by bad home loans in the form of collateralized debt obligations (CDOs).

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以债券、贷款凭证、抵押贷款等表示的债务或义务，并要求将其在某特定日期(到期日)归还。

A liability or obligation in the form of bonds, loan notes, or mortgages, owed to another person or persons and required to be paid by a specified date (maturity).

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以债券、贷款凭证、抵押贷款等表示的债务或义务，并要求将其在某特定日期(到期日)归还。

A liability or obligation in the form of bonds, loan notes, or mortgages, owed to another person or persons and required to be paid by a specified date (maturity).

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