The phrase "abstract challenges" is correct and usable in written English.
It can be used when discussing theoretical or conceptual difficulties that are not tied to specific, concrete situations.
Example: "The team faced several abstract challenges in their research, including the need to define key concepts clearly."
Alternatives: "theoretical difficulties" or "conceptual obstacles".
Under the Fourth Amendment, both the head of the Curia (formerly called the Supreme Court) and the chief public prosecutor can now bring abstract challenges to the Court.
But what makes Draw Something so powerful is that it is a game based on personal expression, rather than merely conquering abstract challenges.
In an atmosphere of pervasive human guilt, if not eco-grief, it is easy to assume that wildlife mass-mortality events are cinematically graphic manifestations — melting starfish, birds falling from the sky — of the powerful foundational forces that drive more abstract challenges such as climate change.
In an atmosphere of pervasive human guilt, if not eco-grief, it is easy to assume that wildlife mass-mortality events are cinematically graphic manifestations melting starfish, birds falling from the sky of the powerful foundational forces that drive more abstract challenges such as climate change.
Some climate change communication experts say framing climate change as an opportunity for new jobs is a good way of connecting the abstract challenge of climate change with people's lives.
People often ask, "What do I do when I see a person in need on the street?" At the heart of this question are actually larger questions: How do I respond when an abstract challenge or injustice becomes a lived reality?
There's no magic to it, but it does bring rigor and concreteness to an otherwise abstract challenge.
But how do these recent abstracts challenge or expand upon Mr. Hodgkin's earlier paintings, which garnish museums and the homes of the wealthy in Britain and abroad?
None of the results reported in the abstracts challenge the conclusions of the review.
From Mondrian's bold geometric forms to Kandinsky's use of symbols to Pollock's "dripped paintings," the richly diverse movement of abstract painting challenges anyone trying to make sense of either individual works or the phenomenon as a whole.
Graphical abstract Epistemological challenges of big data analytics.
