Moving goods from inland cities to a port can be more expensive than shipping them from the port to a market halfway around the world.
将货物由内陆城市运送到港口比从港口运到地球另一端的市场还要昂贵。
Expensive plans to build an outer harbour there may no longer be necessary now that the joint venture could choose the cheaper option of extending Rio's port at Cape Lambert.
但现在已经没有必要再花巨额资金建立一个外港了，因为合资企业有一个更划算的选择，那就是扩建力拓在兰伯特角的海港。
Thus the expensive dual-port RAM can be replaced and the area of PCB reduced. It has been proved in practice that the method is stable and reliable.
使用这种方法，既可以避免使用昂贵的双口ram，又可减少印刷板面积，实践证明，这种方法是稳定可靠的。
Thus the expensive dual-port RAM can be replaced and the area of PCB reduced. It has been proved in practice that the method is stable and reliable.
使用这种方法，既可以避免使用昂贵的双口ram，又可减少印刷板面积，实践证明，这种方法是稳定可靠的。
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