Virtual landlords like GeoCities and Homestead are more than happy to give you a free web page because the site becomes a billboard they can sell to advertisers, which in turn, give you a cut.
例如像GeoCities和Homestead这类虚拟业主都乐意为你提供免费网页，因为网站已经成为广告牌，可以向广告客户出售，然后将获利的一部分给你。

The Research of Virtual Land Battle Space Based on Military Map
基于军用地图的虚拟陆战场环境研究

Describe the benefits of virtual LANs.
描述虚拟网的优势。

You'd be entering a virtual world with a virtual language.
你这是在用虚拟世界里的虚拟语言。