He has believed for the past 20 years that the price of oil will eventually make petroleum-based plastics obsolete and clear the way for his alternative.

二十年来，他一直相信，石油的价格最终会淘汰以石油为原料的塑料，为他的替代品扫清道路。

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Some have argued that the falling price of whole-genome sequencing will soon render exome sequencing obsolete (IS 4/16/2010).

一些人认为，全基因组测序费用的下降将让外显子组测序很快过时。

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A rival may improve a good or service, lower its price, or even introduce an entirely new product that makes established ones obsolete.

竞争或许会改进商品或服务，降低价格甚至能够引进全新的产品从而使已有的商品被淘汰。

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Because office buildings, bank branches and shopping malls had been rendered technologically obsolete, any price was too high to pay for them, or for the REITs that owned and managed them.

FORBES: REIT Bubble