名词
中文翻译：价格增长百分比
同义词：
['price increase', 'price rise', 'price growth']
例句：
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1.The company's stock price has increased by 20% since the last quarter.
该公司的股票价格自上一季度以来已经上涨了20%。
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2. The economy is expected to grow at a rate of 3% this year.
预计今年经济增长率为3%。
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3. The cost of living has increased by 5% compared to last year.
与去年相比，生活成本增加了5%。