求翻译：中国网民人数虽然名列世界第一，但网民占中国总人口比例偏低；网上购物产品很难实现“三包”等等，都制约着中国网上购物的市场前景。是什么意思？

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Although China's internet population has ranked first in the world, but relatively low proportion of China's total population; online shopping products are very difficult to achieve the "three packets, and so forth, are restricting the " China's online shopping market prospects.

Although Chinese web cam population being placed world first, but the web cam accounts for the Chinese total population proportion to be somewhat low; On the net the shopping product is very difficult to realize “three packages” and so on, all is restricting on the Chinese nets the shopping market p

China Internet population although top world first, Internet users accounted for total population is low; online shopping products is difficult "-guarantees", all conditioned by online shopping market in China.

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