The increasing number of cars on the road each year directly translates into mounting replacement demand for auto components.

每年道路上不断增加的汽车都在转化为汽车零部件(当然也包括汽车用品等，译者注)的市场需求。

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Hardware failures demand repair or replacement; software requires patching, updates, and upgrades; and systems must be configured to keep ahead of demand and potential security threats.

出现故障的硬件需要修理或更换；软件需要应用补丁、更新和升级；必须根据需求和潜在的安全威胁提前配置系统。

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The great hope of transplant surgeons is that they will, one day, be able to order replacement body parts on demand.

专业于器官移植的外科医师通常有一个宏愿，也许有一天，我们能客制化的订制到替换用的人体器官。

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The auto industry now looks for a 15.5 million car year, largely based on replacement demand and the low cost of carry.

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With smartphone penetration at lofty levels in the U.S. and Western Europe, vendors for those devices need to foster replacement demand and offering mobile payments is one way to accomplish that.

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As that replacement demand becomes an even greater driver of the iPhone business than it was just a few years ago, it means the rocket ship ride that was the iPhone will slow.

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