The phrase "appear seldom" is correct and usable in written English.
It can be used to describe something that happens infrequently or rarely.
Example: "The rare bird species appear seldom in this region, making sightings a special event for birdwatchers."
Alternatives: "rarely appear" or "seldom seen".
After that he kept a low profile, never making public comments and appearing seldom in public.
The name of this nightmare vision, which appears seldom in Western media, is Wahhabism.
Urinary clearance appears seldom, even though a little urinary excretion is seen like in our patient in Figure 2. From this preliminary data, we conclude that [F]-FACBC-PET may play a role in in vivo staging of an active prostate cancer.
And as Mr. Bush has settled into a quiet retirement in Dallas, appearing rarely and seldom speaking about politics, so too has this town near which he spent his vacations in office.
Though he seldom appeared, and seldom spoke when he did, he could throw a party: in 2006 he organised the wedding of the daughter of the then leader of Myanmar's junta, in which guests appeared draped in diamonds and drunk on cascades of champagne.
Then why, you might wonder, does Mr. Jacobs appear so seldom in New York or London?
Expect to see more of that as record labels become more choosy.Those longed-for record contracts, when they finally appear, are seldom lavish.
Although much has been made of the numerous world languages employed in the book's composite language, most of the more obscure languages appear only seldom in small clusters, and most agree with Ruch that the latent sense of the language, however manifestly obscure, is "basically English".
Mr Coleman's book offers a vivid and challenging picture of the vain and silly (and ruthless) Nelson; but the very superior man appears too seldom for this to be a truly balanced, or fair, biography.
