The phrase "a clear cut explanation of" is correct and usable in written English.
It can be used when you want to describe an explanation that is straightforward and easy to understand.
Example: "The teacher provided a clear cut explanation of the complex topic, making it accessible for all students."
Alternatives: "a straightforward explanation of" or "a concise explanation of".
In this way, the theoretical prediction of the model can be verified whilst also providing a clear-cut explanation of the observed data.
The upward shifts in the OBS and IFN arm in E1690 relative to E1684 do not have a clear cut explanation.
At this moment, we do not have a clear-cut explanation for this "dissimilarity".
There is still no clear cut explanation to the high occurrence of the disease in Jews.
However, to our knowledge, this model was applied only to refugee children with parents reporting a higher prevalence of psychiatric symptoms than children; however, there was no clear cut explanation for this finding [ 26].
Comparing the airport weather data did not give any clear-cut explanation of the two-spiked epidemic curve.
There's no clear cut explanation, but many psychologists would argue Carl suffered from a mental illness that compelled him to eat.
Furthermore, these lesions do not provide a clear-cut explanation as to the cause of AD, with different theories advocating amyloid beta (Aβ) accumulation [ 12, 20] or hyperphosphorylated NFT-causing tau protein [ 21] as the underlying initiating mechanisms that trigger the disease.
What's happened, and there isn't yet a clear-cut explanation, is that copper held in the warehouses of the major metal-trading markets in the U.S., Britain and China has been disappearing much faster than it could be consumed.
Other findings from lunar effects research defy a clear-cut explanation, such as the effect on stock market prices.
Nevertheless, I would like to see a clear-cut explanation and "they did something wrong" is too vague for my comfort.
