或者它可能限制购买国库证券。

Or it could start to limit its purchase of Treasury securities.

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欧洲央行在接收抵押物时可以限制或禁止某些主要用来钻央行资金扶植空子的证券。

When accepting collateral, the ECB could also restrict or ban the use of some securities that seem to have been created primarily to take advantage of central-bank funding.

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尽管汇丰希望，在美国市场近一步确认的损失及其持有的资产支持证券的损失将限制在某个水平，不过增发新股则将使汇丰能够对极度糟糕的状况做好准备。

Although it hopes further realised losses in America and on its asset-backed securities will be limited, a rights issue leaves it prepared for the very worst.

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