It is a symptom of sleeplessness and may be a sign of other disease.
它是一种症状，可影响睡眠和其他疾病的征兆。
But it is a primary symptom of coronary artery disease.
但它是冠状动脉疾病的主要症状。
The loss of recognition memory is a main symptom of early Alzheimer's disease.
痴呆症患者早期最明显的一个症状就是认知记忆的缺失。
As main body of symptom and syndrome, disease is a situation and process.
而病是症状和证候的主体，是一种状态，也是一个过程。
As main body of symptom and syndrome, disease is a situation and process.
而病是症状和证候的主体，是一种状态，也是一个过程。
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