In modern network and communication system, the security of data convey seems important day by day.
在现代的网络和通信系统中，数据传输的安全性日益显得重要。
Modern social security system should take the principle of be national minimum standards and the principle of the restoration of capacity to labor as the objective principles.
现代社会保障制度应当以国民最低生活水平原则和恢复劳动能力原则为其目标性原则。
Before the modern social security system is set up, the social security activity of engaged in society's succoring by various kinds of nonprofit organization.
现代社会保障制度建立之前，各类非营利组织(特别是教会组织)就以各种方式从事社会救助等社会保障活动。
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