obsolescence
Longman Dictionary of Contemporary English 5++LDOCE 5++ob·so·les·cence /ˌɒbsəˈlesəns $ ˌɑːb-/ noun [uncountable] 1. OLD-FASHIONEDwhen something becomes old-fashioned and no longer useful, because something newer and better has been invented 过时；淘汰，废弃2 planned/built-in obsolescence BBTIwhen a product is designed so that it will soon become unfashionable or impossible to use and will need replacing 〔产品的〕有计划报废/内在陈旧性 the planned obsolescence of some software 某些软件的有计划报废
Examples from the Corpus
obsolescence• The faster products change, the faster they become obsolete, and even obsolescence creates openings.• The international community clung to Resolution 242 despite its growing obsolescence, as the only agreed basis for a solution.• So they followed their cousins in the car industry and made their buildings with built-in obsolescence.• For the less scrupulous, this has become the age of the worker with built in obsolescence.• There has been a renewal of interest and research into questions of obsolescence, and storage costs.• It is also worth noting that an operating lease transfers the risk of obsolescence from the lessee to the lessor.• Managers and executives faced with their own likely technical obsolescence are in some senses confronted with their own professional mortality.• The shortcomings of economics are not original error but uncorrected obsolescence.From Longman Business Dictionaryobsolescenceob‧so‧les‧cence /ˌɒbsəˈlesənsˌɑːb-/ noun [uncountable] when a product, system etc is becoming no longer useful because something better is available, possible etcNow markets are subject to the faster obsolescence of products due to greater competition. —obsolescent adjectivea region tied to an obsolescent industrial base → planned obsolescenceob·so·les·cence nounChineseSyllable
no becomes old-fashioned longer useful, because when something something Business and Corpus
obsolescence
ob‧so‧les‧cence /ˌɒbsəˈlesəns $ ˌɑːb-/
noun [uncountable]
1. when something becomes old-fashioned and no longer useful, because something newer and better has been invented
2. planned/built-in obsolescence when a product is designed so that it will soon become unfashionable or impossible to use and will need replacing:
the planned obsolescence of some software
ob‧so‧les‧cence /ˌɒbsəˈlesəns $ ˌɑːb-/
noun [uncountable]1. when something becomes old-fashioned and no longer useful, because something newer and better has been invented
2. planned/built-in obsolescence when a product is designed so that it will soon become unfashionable or impossible to use and will need replacing: