但是现在,虚拟的图书馆,以在线的方式,可以回答任何你能想到的问题。
But virtually all libraries now offer online features for answering any question you can think of.
现在虚拟门户的概念成为需求已有一段时间。
The concept of virtual portals has been a requirement for some time now.
你的虚拟机现在设置完成准备启动了。
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