The phrase "a clear symptom" is correct and usable in written English.
It can be used when describing a noticeable sign or indication of a condition or issue, often in medical or psychological contexts.
Example: "Fever is often a clear symptom of an underlying infection."
Alternatives: "a distinct sign" or "an obvious indication".
The tragedy was a clear symptom of the global apparel industry's outsourcing of responsibility for labor and environmental conditions in factories.
"I had not seen that in the team in training or qualification but this is a clear symptom of a team that approaches a competition either feeling inferior or a bit concerned so you make basic errors," he said.
He said that the recent increase in murder rates was a clear symptom of a rise in drug trafficking crimes.
Moreover, it is a clear symptom of a much deeper problem.
Our decreasing social mobility is a clear symptom of this decreasing social capital access for most Americans.
Although forest management can affect these disturbances locally, broad-scale patterns of beetle outbreaks and wildfires are a clear symptom of climate warming.
Stroke was determined to have occurred after the procedure if the onset of the stroke occurred after full and asymptomatic awakening from anaesthesia including a clear symptom-free interval between the intervention and onset of symptoms.
As long as we do not have a clear clinical symptom of an inadequate intake of a non-essential nutrient, we need to refer to a food or dietary pattern for a reference value.
However, patient delay was significantly longer in rectal cancer compared to colon cancer despite the presence of a clear alarming symptom (87% of patients with rectal cancer presented with rectal bleeding, data not shown).
The Fear Of Missing Out can be clear symptom of, and defensive response to, an even greater fear of romantic commitment and intimacy.
Girls' subject choices in school are one clear symptom of their unequal experiences.
