The phrase "a more complex concept" is correct and usable in written English.
You can use it when discussing ideas or theories that involve multiple layers or intricacies, indicating that the concept is not straightforward.
Example: "Understanding the nature of consciousness is a more complex concept than it appears at first glance."
Alternatives: "a more intricate idea" or "a more complicated notion."
The effective rate of protection is a more complex concept: consider that the same product clothing costs $100 on international markets.
But while taking the portraits of three of her nieces and nephews and her twin daughters, the photographer was struck by a more complex concept for her work.
Safety culture is a more complex concept that reflects fundamental values, norms, and expectations [ 11].
Acceptability is a more complex concept, and it includes physician' and patient's barriers.
However, it is also possible that item 1 represents a distinguished aspect of CRU (i.e., an aspect not captured by the remaining four items); this would mean CRU is a more complex concept then the literature portrays and is multi-dimensional in nature.
Gender is itself a far more complex concept than the simple binary system we typically adhere to.
'Careless driving' in its legal sense is a much more complex concept than 'driving with bald tires', and driving with bald tires is an instance of careless driving only in virtue of the evaluative and contextual considerations that must be understood if the law of careless driving is to be understood.
Oral health is, however, a far more complex concept that encompasses all aspects of health related to the mouth, the jaw, the teeth, the throat and related tissues [13], [14].
Two applications rely on the quantification of the ChEMBL-likeness score, one application is focused on a specific disease area, and finally a fourth application aims at identifying papers that are relevant to a less-defined, more complex concept (age-related differential drug response).
Nineteen Twenty-one Forty-seven Ninety-nine This finger counting method gives children a way to learn more complex concepts in math than counting from 1 to 10.
The evolution of the new box was illustrated across an expanse of grey particle board, the final, essentialist design of the machine and its accessories whittled down from a series of rounder, smoother, and more complex concepts.
