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

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。

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Margin money deposited into a stock account in order to borrow money to purchase or sell short securities.

保证金存在股票账户上用来借钱买卖短期证券的资金。

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Margin money deposited into a stock account in order to borrow money to purchase or sell short securities.

超额保证金在长期或短期账户中，超过法定保证金维持范围的股票账户净值。

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In the very short run it might even sell government securities, but open market sales and money shrinkage would be too harsh a medicine to go on for very long.

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Because hedge funds are unregulated, managers are free to sell short, use leverage, and invest in illiquid securities--activities not open to mutual-fund managers.

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Traders use stock loan desks to access securities to buy or to borrow to sell short.

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