如果展开这个区段，您将看到被应用到虚拟系统的服务的完整历史。

If you expand this section, you will see a complete history of the service that has been applied to the virtual system.

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在互联网的历史上，很多情况下是人们通过网络交际、游戏和虚拟现实而越来越深的陷入虚拟世界。

For much of the history of the Internet, people entered deeper and deeper into the virtual world, through social networking, gaming and virtual reality.

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第一篇文章简要介绍虚拟世界的历史和虚拟空间 的概念。

This first article briefly explores the history of virtual worlds and introduces the notion of virtual spaces.

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