求关于虚拟世界优点的英文辩论资料

lz可以查下维基百科 输入VIRTUAL WORLD

One perception of virtual worlds requires an online persistent world, active and available 24 hours a day and seven days a week, to qualify as a true virtual world.[citation needed] Although this is possible with smaller virtual worlds, especially those that are not actually online, no massively multiplayer game runs all day, every day. All the online games listed above[clarification needed] include downtime for maintenance that is not included as time passing in the virtual world. While the interaction with other participants is done in real-time, time consistency is not always maintained in online virtual worlds. For example, EverQuest time passes faster than real-time despite using the same calendar and time units to present game time.

As virtual world is a fairly vague and inclusive term, the above can generally be divided along a spectrum ranging from:

massively multiplayer online role-playing games or MMORPGs where