In recent years many cities are faced with the problem of heavy traffic.

近年来，许多城市都面临着交通拥挤的问题。

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The problem with the burgeoning traffic in antiquities, however, is not so much the price but something far more significant: the provenance, i.e. where are these precious artifacts coming from?

然而，日益兴盛的古董买卖，其问题不在于价格离谱，而是远比价格更为重要的事情，那就是古董的来源。这些稀世珍宝来自何方？

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If only packets sent by your host are shown, this is another indication that the problem is with traffic sent back by the target and therefore the route back.

如果只显示您主机发送的数据包，这也表明从目标主机发送回的通信流有问题，因此反向路由有问题。

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The problem is that with traffic DFW is a long drive--upward of an hour or more--from Dallas.

FORBES: Fact and Comment

With traffic jams, the problem is inadequate information: cars on crowded roads cannot see the big picture that might allow them to make good decisions.

ECONOMIST: Collective intelligence

He had the technical skills needed to solve this problem and started to build the first traffic platform that combined GPS technology with open source software.

FORBES: Would $500 Million Waze Buy Save Apple Maps?