柯林斯詞典obsolescence /??bs??l?s?ns/ 1. N-UNCOUNT Obsolescence is the state of being no longer needed because something newer or more efficient has been invented. 過時; 淘汰 The aircraft was nearing obsolescence by early 1942. 這種飛機在1942年年初就瀕臨淘汰了。 返回 obsolescence劍橋詞典the quality of being obsolete 荒廢； 退化 Mobile phone technology is developing so quickly that many customers are concerned about obsolescence. 手機技術發(fā)展得如此迅速，以至於許多顧客擔心淘汰的問題。 ?built-in/planned obsolescence the fact that a product is intentionally designed and made so that it will not last for a long time （産品）內在的／有計劃的淘汰（故意將産品設計得不耐用） 返回 obsolescence