The phrase "pose formidable challenges" is correct and usable in written English.
You can use this phrase to describe a difficult situation or concept that needs to be confronted and overcome. For example, "The rising costs of healthcare pose formidable challenges for both individuals and governments."
Even separate but coordinated systems, the model experts think more likely, pose formidable challenges.
Chemical and physical instability at both electrodes pose formidable challenges to development of practical lithium metal batteries.
For researchers in distant countries who aspire to study these orchids augmenting their conservation, the great distances involved, coupled with limited funds, pose formidable challenges.
For researchers in distant countries who aspire to study these orchids for conservation purposes, the great distances involved, coupled with limited funds, pose formidable challenges.
Cartilage injuries caused by arthritis or trauma pose formidable challenges for effective clinical management due to the limited intrinsic proliferative capability of chondrocytes.
These materials as well as structural ceramic and hardened steels pose formidable challenges for cutting tool materials during machining, hence they are referred to as difficult-to-cut.
The "Eroica" poses formidable challenges for a young orchestra.
Still, the work poses formidable challenges that this production, directed by David McVicar, brilliantly solved.
But even for an old hand, the Met poses formidable challenges.
Europe has swept away many internal borders, and taken on tasks that once posed formidable challenges to sovereign tiddlers, such as running a currency.
Because the region remains more conservative than the rest of the country, it poses formidable challenges for the presumptive Democratic nominee, Vice President Al Gore.
