The phrase "are somehow separate from" is correct and usable in written English.
You can use it to indicate that two or more things are distinct or not connected in a particular way, often in a somewhat ambiguous or unclear manner.
Example: "The two departments are somehow separate from each other, despite working towards the same overall goal."
Alternatives: "are distinctly separate from" or "are in some way independent of".
The document itself contradicts this idea, of course, that "business and political motives" are somehow separate from art.
"No Comfort" (editorial, March 6), about sex slavery, leaves the impression that force and rape are somehow separate from prostitution.
Ellis agreed that humans must move on from the view that we are somehow separate from nature (or that nature somehow exists separate from us) and, instead, embrace our role as "permanent shapers and stewards of the biosphere and the species within it".
I think there is also this view that human beings are somehow separate from nature.
If we succeed, then we will have forever banished this notion that people are somehow separate from nature -- and the reasons for saving nature now really become about saving ourselves.
If you have young children, you might like to write important contact information on an index card and give it to them in case they are somehow separated from you.
But the work you're doing, she explained, "is somehow separate from your life.
"There's this old notion of objects being somehow separate from their environments, from the flows that produce them and support them and absorb them," he said.
And what this provokes is not a tender feeling of nostalgia, but the heavy sense that you live a life that's somehow separate from your country.
He has also skillfully managed to undermine his political rivals and persuade many people that he is somehow separate from the troubles swirling around his government, a feat few of the leaders under threat in the Arab world have accomplished.
It was rather something bordering perhaps on self-delusion: he really did not want to be seen as being part of that game, and felt that he was somehow separate from it.
