olemus
Wiktionary, (idiomatic):
when needed or required
Our new on-demand software delivery system is cutting edge.

näiteid
https://en.wikipedia.org/wiki/On-demand

https://en.wikipedia.org/wiki/Video_on_demand

https://www.techopedia.com/definition/26711/on-demand-service

https://www.techopedia.com/definition/26710/on-demand-software

https://www.peerbits.com/blog/service-industries-that-drive-the-on-demand-economy.html

https://mindster.com/on-demand-services/

vt ka
- nõudeselve