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.

他经常迟到，这清楚地表明了他对团队时间缺乏更深层次的尊重。

His constant lateness was a clear ___symptom of a deeper lack of respect for the team's time.