symptom

恶心是食物中毒的典型症状。

Nausea is a typical ___symptom of food poisoning.

酗酒仅仅是他整体不快乐的一种表现。

The drinking was just a ___symptom of his general unhappiness.

上升的犯罪率被视为教育系统失败的一个征兆。

The rising crime rate is viewed as a ___symptom of a failing education system.