Only true, complete, timely information disclosures can guarantee an efficient security market.

只有保证真实、完整、及时的信息披露，才能形成一个有效的证券市场。

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So the analysis and design for efficient security protocol is more important research problem in the field of computer communication.

因此，分析、设计安全有效的安全协议是计算机通讯领域中一个极为重要的研究课题。

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The basic functions of a state are to provide physical security, efficient institutions and capable administration.

国家的基本功能是提供实体安全、高效的机构以及有力的行政管理。

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To achieve this, he agreed to raise the rate of the (relatively efficient) Social Security payroll tax, thereby helping to protect that flawed system from suffering operating deficits for more than 25 years.

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More realistically, market forces will drive clearing and settlement houses to join forces, because it is more cost-efficient when buyer, seller and security are linked.

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But it is often more efficient to rely on tipsters such as security guards, doormen, chauffeurs and restaurant staff.

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