ivory tower

https://news.yahoo.com/melania-trump-lives-ivory-tower-165234908.html

https://www.independent.co.uk/news/uk/humza-yousaf-government-edinburgh-scottish-government-labour-b2295144.html

https://www.pbs.org/newshour/show/ivory-tower-explores-american-higher-education-pricey

https://mitsloan.mit.edu/ideas-made-to-matter/bye-bye-ivory-tower-innovation-needs-ecosystem-to-thrive

https://www.brookings.edu/articles/from-ivory-towers-to-the-classroom-how-can-we-make-academic-research-useful-in-the-real-world/