把文档文件和程序文件分开可以降低安装或升级程序时意外删除文档的风险。

By separating document files and program files you reduce the risk of accidentally deleting your documents when you install or upgrade programs.

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使用细粒度文件更新特性，您可以在集群范围内拥有更灵活的应用程序文件，并避免引入新的单点故障。

Using the fine-gained file update feature, you can have a more flexible application file across the cluster, and avoid introducing a new single point of failure.

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书籍到了我的手里，我的习惯是先看序文，次看目录。

When having a new book, I used to read the preface firstly, then the table of content.

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