求翻译：不管在欧洲、在香港、在亚洲其他国家和地区以对钻石进出口采取了优惠的税收政策，但是由于中国的钻石行业总经营额非常有限，每年仅数亿美元，并未引起国家的高度重视，特别是中国钻石界五统一的声音说话，统一有效的反映渠道，所以不合理的税收政策仍然维持。是什么意思？

Whether in Europe, in Hong Kong, other Asian countries and regions to import and export of diamonds to preferential tax policies, but because of China's total turnover diamond industry is very limited, only hundreds of millions of dollars a year, did not attract national attention , especially the C

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No matter in Europe, in Hong Kong, by has adopted the preferential benefit tax policy in the Asian other countries and the area to the diamond import and export, but because China's diamond profession always manages the volume to be extremely limited, only several hundred million US dollars, by no m

Whether in Europe, Hong Kong, other Asian countries and regions for implementing the preferential tax policies on import and export of diamonds, but because of China's total business turnover of the diamond industry is very limited, only hundreds of millions of dollars each year, causing the close a

Whether in Europe, Hong Kong, other Asian countries and regions for implementing the preferential tax policies on import and export of diamonds, but because of China's total business turnover of the diamond industry is very limited, only hundreds of millions of dollars each year, causing the close a