Continuous obsolescence: Devoting disproportionate effort to porting a system to new environments.(持續退化(Continuousobsolescence)：不成比例地投入精力把系統移植到新環境下。)

The aircraft was nearing obsolescence by early 1942.(這種飛機在1942年年初就瀕臨淘汰了。)

Is obsolescence a problem that needs to be fixed, or a necessary evil of the technological world?(過時是否是個該解決的問題，或是技術世界中必需的罪惡呢？)

All these products tend to be replaced due to obsolescence, not because the zinc has ceased to protect the underlying steel.(所有這些產品被替換主要是因為荒廢，而不是因為鋅不再保護下面的剛材。)

For enterprises and service providers, the use of network processors ensures against premature product obsolescence.(對于企業和服務供應商而言，采用網絡處理器保證不會使未成熟產品被淘汰。)

Every Apple product has obsolescence built in, and if I lose my laptop's power cord, they charge me $80 for a new one.(蘋果公司的每一款產品采用“過時”的內置設計，如果我的電源線丟了，另換一根就得向他們支付80美元。)

Our society is so focused on obsolescence, it's difficult to justify repairs sometimes.(我們的社會太關注過時了，有時很難理解修理物。)

That twist may come as a refreshing surprise to planned-obsolescence conspiracy theorists - and everyone who stood in line last year.(這個轉變對那些過時的陰謀論者而言簡直是一個巨大的驚喜，盡管每個人去年都是這么想的。)

Krupp (1992) addressed the concern of product obsolescence in the remanufacturing environment.(克虜伯(1992)討論了在再制造的環境下對廢舊產品的關注問題。)

Managed carefully, you can now greatly reduce the amount of excess and obsolescence of a product when it comes to end-of-life.(而如今，通過細心地組織你就可以極大地減少多余存貨的數量，而當一種產品達到生命周期時產生的廢舊存貨也就大大減少了。)

Old heresies, like old jokes, acquire their own..kind of pathetic obsolescence.