unpredictability

例句：

1. 1. The weather forecast was surprisingly unpredictable.
   天气预报令人惊讶地不可预测。
2. 2. His sudden departure left us with an unpredictability of what would happen next.
   他突然的离去让我们对接下来会发生什么感到不确定。
3. 3. The company's financial performance is highly unpredictable due to its complex business model.
   由于其复杂的商业模式，这家公司的财务状况高度不可预测。