名词
中文翻译：变幻无常
同义词：
['variability', 'instability例句：1. The weather can be quite unpredictable at this time of year.（这个季节的天气变化无常。）']
例句：
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1. The weather can be quite unpredictable at this time of year.
这个季节的天气变化无常。
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2. The company's financial performance has been highly variable over the past few years.
这家公司过去几年的财务状况变化非常频繁。
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3. The scientist's findings were highly variable, with some results being consistent and others not.
科学家的发现非常不一致，有些结果一致，有些则不。