作为结果，Web工程就需要身份验证及授权。

As a result, authentication and authorization is required for the Web project.

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所有被版本工程学所支持的工具和处理过程都是和授权变更、跟踪变更、构建变更、并且最终将变更交付给内部或者外部的用户相连接的。

All of the tools and processes supported by release engineering are geared to enabling the change, tracking it, building it, and ultimately delivering it to customers whether internal or external.

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这套系统之所以节省成本并不是因为无需雇佣工程师来进行内部开发或者按照员工数量支付昂贵的授权费。

The cost savings come from not having to hire engineers to write code in-house or pay costly per-seat licensing fees.

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