Both the wildlife park and zoo claimed to be operating for the benefit of the animals and for conservation purposes.

野生动物公园和动物园都声称，其经营的目的是维护动物权益和保护动物。

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Although the user list for the Web server and the operating system could be unified, usually they are kept separate for security, performance, and implementation purposes.

尽管可以统一Web服务器和操作系统的用户列表，但通常出于安全性、性能和实现目的考虑而将它们保持分离。

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Download the correct version for your operating system (I installed this on Windows for the purposes of this article).

根据您的操作系统下载正确的版本(为了配合本文，我将它安装在Windows操作系统上)。

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"British Airways looked into keeping a single Concorde operating, for heritage purposes, but could not justify the expense, " he said.

CNN: Can plan to fly Concorde again get off the ground?