erratic process

例句：

1. 1. The erratic behavior of the patient is causing concern among the medical staff.
   患者的不规律行为让医疗人员感到担忧。
2. 2. The erratic weather patterns have caused significant disruptions in the region's transportation system.
   不稳定的天气模式已经给该地区的交通系统带来了重大干扰。
3. 3.The erratic behavior of the wild animals was a source of fascination for many visitors.
   野生动物的不规律行为是许多游客的兴奋点。