1. 几乎的;实际上的;事实上的
    You can use virtual to indicate that something is so nearly true that for most purposes it can be regarded as true.

    e.g. Argentina came to a virtual standstill while the game was being played...
           在比赛进行的时候，阿根廷全国几乎陷入了停顿状态。
    e.g. He claimed to be a virtual prisoner in his own home.
           他说自己在家里简直就像是个囚犯。

2. 虚拟的;模拟的
    Virtual objects and activities are generated by a computer to simulate real objects and activities.

    e.g. Up to four players can compete in a virtual world of role playing...
           最多可以有4个玩家在一个虚拟世界中扮演角色互相拼杀。
    e.g. This is a virtual shopping centre offering visitors entry to a clutch of well-known etailers without going to their different websites.
           这是一个虚拟的购物中心，访问者在此就可以浏览很多著名的网上零售店铺，而无需分别访问它们各自的网站。