The phrase "a worthwhile use of" is correct and usable in written English.
It can be used when discussing the value or benefit of utilizing something, often in the context of time, resources, or effort.
Example: "Volunteering at the local shelter is a worthwhile use of my time, as it helps those in need."
Alternatives: "a valuable use of" or "a meaningful use of".
I've never tried to understand how political parties work – it's never seemed like a worthwhile use of time – but the Liberal Democrats certainly gave us a friendly hearing in a fringe meeting at their conference yesterday.
"I didn't think it would be a worthwhile use of my time," Mr. Rossotti said.
This is a lesson in itself: add that to the reading activities and it is a worthwhile use of your child's computer time.
"It is a worthwhile use of taxpayer resources to encourage work on these for the simple reason that they are food security crops".
When I asked Dr. Meyerson why the five-year prediction exercise was a worthwhile use of researchers' time, he replied that it helped focus thinking.
"Some people question if what is happening at Chengdu is a worthwhile use of conservation money but, as Sir David says in the film, the project is a triumph of science and skill," Ms Downer said.
Hard as they tried to join St Oliver within the cushioned Arabian tent that Camila Batmanghelidjh had erected for herself inside her Southwark office, no one on the committee could quite share his Panglossian view that Kids Company had been a thoroughly worthwhile use of a third of the government's youth-sector spending.
Reselling my dejected wardrobe was becoming lucrative or at least a seemingly worthwhile use of time compared to facing humiliation and a handful of change at Buffalo Exchange.
This is a very worthwhile use of public resources.
Nuance used some of it to buy back stock, a worthwhile use if its shares rise in value.
While the rules open up a number of worthwhile use cases for commercial rules, though, the one rule that most prospective commercial drone pilots will probably not like is that the FAA will only allow line-of-sight flights.
