名词
中文翻译：偏好变化
同义词：
['preference shift', 'preference adjustment', 'preference change']
例句：
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1. As the economy improves, people's preferences for luxury goods are changing.
随着经济的改善，人们对奢侈品的偏好正在发生变化。
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2. The company is making a preference change in its product line to meet market demand.
该公司正在对其产品线进行偏好变更，以适应市场需求。
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3. The government has made a preference change towards renewable energy sources.
政府已经对可再生能源源的偏好进行了改变。