备份过程是漫长的，使用户不方便每天下载新的内容。

Backup processes are lengthy, inconveniencing users who download new content daily.

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它也可以下载大量内容，通过这种机制创造新的变种。

It also downloads lots of content and creating new variants though this mechanism.

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获取 Web 服务器数据的惟一方式是访问一个新的 URL，然后下载包含新内容的新 Web 页面。

The only way to get anything from a Web server was to visit a new URL and download a new Web page containing the new content.

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