求翻译：2013年，中国 GDP达到了 568,845.21亿元人民币，城镇居民人均可支配收入达到26,955.1元人民币，中国体育用品成交额为1.46亿元，中国体育用品市场占国内 GDP 的比率非常小，说明中国体育用品市场有非常大的增长空间。是什么意思？

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In 2013, China GDP has reached 568, 84.521 billion yuan RMB, per capita disposable income of urban residents reached 26,955.1 billion yuan, China Sporting Goods turnover of 146 million yuan, China Sporting Goods market in domestic GDP rate is very, very small, and the China Sporting Goods market the

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In 2013, China's GDP reached 568,845.2.1 billion yuan, the per capita disposable income of urban residents reached 26,955.1 Yuan, China sporting goods turnover of 146 million Yuan, the Chinese sporting goods market much smaller proportion of the total domestic GDP, Chinese sporting goods market has

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