股市的剧烈波动正是不可预测经济的又一反复无常表现。
The wild swings in the stock market are just another ___vagary of the unpredictable economy.
天气的反复无常打乱了我们的野餐计划。
The ___vagaries of the weather disrupted our picnic plans.
农业收成常常受到天气变化的无常影响。
Farm harvests are often affected by the ___vagaries of the weather.
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