The phrase "as a showcase only" is correct and usable in written English.
It can be used to indicate that something is intended solely for display or demonstration purposes, without any other function or implication.
Example: "The new product is displayed in the front window as a showcase only, not for sale."
Alternatives: "for demonstration purposes only" or "for display purposes only".
I'm probably blocking out all the times I played my CD for Lorne and was like, "Pretty good, eh?" "Weekend Update" has a proud history as a showcase not only for the performers of "Saturday Night Live" but for its writers, too.
Granted, they are clear about the Android Market website serving as a showcase of apps only right at the top of the new website, but that doesn't explain why they choose not to make it more useful.
She added, "Art should not be used only as a showcase for tourists, but should be the heart and soul of the community and thereby participate in the enrichment of the lives of all".
Rice used the stage not only as a showcase for his animal tricks, but also as a platform for his political ideas.
I don't want to overinflate the dramatic accomplishment of "Lady Day," a minor offering that becomes something major only as a showcase for McDonald's rare artistry, but by the end of the piece Holiday's singing seems to tell not just her own story but a national one.
I don't want to overinflate the dramatic accomplishment of "Lady Day," a minor offering that becomes something major only as a showcase for McDonald's rare artistry, but by the end of the piece Holiday's singing seems to tell not just her own story but a national one.
Ultimately, it illuminates public health not only as a showcase of colonial humanism and a tool of control but also as an arena of mediocrity, powerlessness, and stupidity.
The series which started simply as a showcase for Philomene's friends—aims only to provide better, clearer, and more personalized representation for non-binary people.
Design wunderkind Kate Moross is curating the evening as a showcase for her new vinyl-only label Isomorph Records.
Only Brazil and Argentina played, in a tournament Mussolini used as a showcase for fascism.
