动词短语
中文翻译：上升和下降
同义词：
['increase and decrease', 'rise and sink', 'ascend and descend']
例句：
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1.The stock market is known for its dramatic rise and fall in value.
股市以其剧烈的涨跌而闻名。
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2. The economy has experienced a rise and fall in productivity over the past decade.
过去十年，经济生产力经历了起伏变化。
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3. The company's stock price rose and fell throughout the day.
该公司的股票价格在一天内上下波动。