中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Furthermore, highway network mostly is the trouble of technical grade and service low.
因此一个复杂的问题就是，何时为第三世界而开发这本身就是在制造一个技术等级。
Therefore, the tricky question when you’re inventing for the developing world is creating the right level of technology.
因此一个复杂的问题就是，何时为第三世界而开发这本身就是在制造一个技术等级。
Therefore, the tricky question when you're inventing for the developing world is creating the right level of technology.
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