The higher labor cost and raw material cost contributed to our price increase. We appologize for the price change and thank you for your understanding.不明白的再问哟，望及时采纳，多谢！
price increase 价格上涨; 涨价 inflation of prices 涨价; 物价上涨 advance in price 涨价 price inflation 价格上涨；物价上涨 falling price 跌价 came down 跌价 gone down 跌价 collapse of price 大跌价 There is an
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