| 单词 | obsolescence |
| 释义 | obsolescenceobsolescence /ˌɑbsəˈlɛsəns/ noun [uncountable] 1the state of becoming old-fashioned and not useful anymore, because something else that is newer and better has been invented2planned/built-in obsolescence the practice of making a product in such a way that it will soon become unfashionable or impossible to use |
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