这里的inhabit an alternate reality是什么意思?

问题描述:

这里的inhabit an alternate reality是什么意思?
Three months and 11 wins later,as Santorum continues to prosecute a race he has almost certainly lost,such talk is banished within his tight-knit circle.The mood,according to multiple sources inside the campaign and close to Santorum,is one of defiant optimism .Ever since Iowa,after all,they've basically been playing with house money.In fact,the Santorum campaign seems these days to inhabit an alternate reality -- one with its own logic,its own perspective and even its own mathematical rules.

按照自己的轨道在运行,和后面的one with its own logic应该是说的一个意思