Voting by proxy or post is easy nowadays; indeed, prisoners awaiting trial in jail (who are not banned from voting in most countries) do so already.
如今通过委托人代理投票，或者邮寄投票已是件十分容易的事了；事实上，在监狱中服刑的囚犯们(在许多那些没有禁止(囚犯)投票的国家中)已经这么做了。
This means, for example, that you can close a connection as a B2BUA by generating a BYE message, but you cannot do so as a proxy.
举例来说，这意味着您能够以B2BUA身份生成bye消息，以此来关闭连接，但使用代理身份则无法实现此目的。
Subsequent requests to the same page within the lifetime of the content are responded to directly by the caching proxy, and thus do not generate load on the portal server.
在内容的生存期内，对同一页面的后续请求都将由缓存代理直接响应，因而不会在门户服务器上生成工作负载。
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