The phrase "comprehend the complexities" is correct and usable in written English.
You can use this phrase to describe someone understanding complex ideas or difficult concepts. For example, "He was able to comprehend the complexities of quantum mechanics with ease."
The Justice Department had asserted that only the boy's father, and not his Miami relatives, was legally entitled to speak or him, since a child could not comprehend the complexities of an asylum claim.
To those raving to see us "get tough on crime", and lacking ability to acknowledge the humanity of others, or comprehend the complexities at play here, let me urge you to calm down and analyse this through an economic lens.
By this I do not mean that Marxism no longer applies but only that for it to become exciting again as a style of thought for the best of the young people it must be expanded by some genius who can comprehend the complexities of the American phenomena.
David Kimball: One of the biggest challenges for FinTech companies is to fully comprehend the complexities of the industry we're working to disrupt (or improve).
Of course, any attempt to comprehend the complexities of the human brain is a monumental undertaking.
None of us can fully comprehend the complexities of another person's life.
Visual analysis of the 3D model helps engineers to comprehend the complexity of geological structures, and enables arbitrary cutting, rock-mass quality classification, and digital drilling.
If I tell them while they are children and see the world in black and white, good and bad, how will they be able to comprehend the complexity of Tony?
The company sent out the UPC readers and expected users to scan URLs in printed magazines like Wired and then go to websites (this was before humans could comprehend the complexity of the Internets).
As previously gestured to, one only begins to comprehend the complexity of understanding knowledge influences when we ponder the diversity of actors involved in land management decision-making from Western land managers to international conservation groups to Maasai educated elite.
