求翻译：从再销售环节来看，在欠发达国家和地区，固定电话业务仍然是通讯产业的基础，无线通讯只是其中的补充。手机的销售价格相对于其国民收入还比较高，这些地区是二手手机以及二手电子产品需求最强的区域。在亚洲部分地区，非洲的大部分地区，以及全球的农村和偏远地区都是这样的类似市场。可见，这些地方对低成本高质量的二手手机及电子产品需求量还是很庞大的。在发展中国家，无线通讯业务发展的最大障碍就是手机成本相对太高，许多运营商也开始寻找一些大批量的高质量低成本的二手翻新手机。是什么意思？

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From another point of view, sales links in less-developed countries and regions, fixed-line business communications industry is still the foundation, wireless communications is just one of the supplementary. The cell phone is also relatively high per capita income vis-à-vis its selling price, these

From sells the link to look again that, is owing the developed country and the area, the fixed telephone service still was the communication industry foundation, the wireless communication is only supplement.The handset selling price is opposite in its national income quite is also high, these areas

From the sales cycle, in less developed countries and regions, the fixed-line business remains the basis for communication industry, wireless communication is only one supplementary. Mobile phone sales prices relative to national income is relatively high, these areas are second-hand mobile phones a

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