安全性定价思想是通过安全价格的导向作用，激励参与者积极维护系统安全。

The idea of security pricing is to induce market participants to assure the whole system's security under the direction of security prices.

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系统也采取了一些安全措施维护系统安全，实现防止SQL注入漏洞等功能。

System has taken some security measures to maintain system security, of preventing SQL injection vulnerability functions.

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执行管理员的日常工作，包括：开机和关机，管理使用者帐号、档案系统，和维护系统安全。

Perform routine administration tasks: boot and shut down the system, manage user accounts and file systems, and maintain system security.

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