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。
2
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。
3
A rival may improve a good or service, lower its price, or even introduce an entirely new product that makes established ones obsolete.