另一个障碍，则是制成品出口的成本和复杂度——相比于重庆这样的内陆城市，珠三角地区拥有靠近港口的优势。

A further obstacle is the cost and complexity of exporting finished products - the delta provides quicker access to ports than cities such as Chongqing.

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其他国家的出口需要支付溢价交换美元进行交易，而美国不存在这些货币障碍。

Its exports don't face the same currency barriers that confront many other countries, which have to pay a premium to buy dollars in which to trade.

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第一，当避开包括其他行人在内的障碍时，每个人都试图尽量以直线的的路线到达目的地，就像一个出口或一个走廊的尽头。

The first was that each attempted to chart as straight as possible a path to his destination, such as an exit or the end of a corridor, while avoiding obstacles, including other pedestrians.

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