"learned something useful" is a grammatically correct and commonly used phrase in written English.
It can be used to describe a situation where someone has gained new knowledge or skills that are helpful or valuable in some way. Example: "During her internship, Jane learned something useful about website design that she was able to apply to her own personal projects."
And when the Fed revises its view of the risks in the economy, investors may think they've learned something useful.
If in the end the answer is negative, the world would at least have learned something useful: that these groups' extreme claims are not just rhetorical adornments.
Of the millions who tuned in to Mr Weiner's televised mea culpa, surely some of them failed to locate the remote before they accidentally learned something useful.
And if the Facebook flap makes people double check the fine print that they often skip over, then perhaps we've learned something useful.
Diablo said she just goes on, falling further into despair... but perhaps having learned something useful from the recent hometown experience.
We could have all learned something useful if he'd said, "Yes, some guys who work for me burglarized the DNC offices.
School director Al Najjar says all sessions offered within the AFS are participatory and allow adolescents to engage fully: "We use practical examples, role playing and games so that adolescents can see that they are learning something useful, which they can use in their daily lives while having fun in the process".
And he hoped doctors might learn something useful.
Occasionally, I actually learn something useful, as in the Microsoft definition of "prat" - the buttocks.
Etiennette Mukwanga says she is proud to be learning something useful, despite all the hardships.
Viewing figures for these building shows are consistently high, and presumably the audience tunes in hoping to learn something useful.
