obsolescence

美 [.ɑbsə'lesəns]

英 [.ɒbsə'les(ə)ns]

同义词

uselessness,desuetude,undesirability,oldness

obsolescence

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1.	过时；陈旧；淘汰the state of becoming old-fashioned and no longer useful

products with built-in/planned obsolescence(= designed not to last long so that people will have to buy new ones)

内在╱计划陈旧产品（故意设计成不耐使用而迫使人购买新的产品）