legacy

legacy — 形容詞

1. Relating to a computer system, software, or piece of equipment that comes from a

1.形容詞B2
釋義

舊有

來自較早時期但仍繼續使用的系統或設備

Relating to a computer system, software, or piece of equipment that comes from an older generation but continues to be operated because it still serves a practical purpose, even though newer versions exist.

例句

Salma's company still runs legacy software that no one knows how to update.

Salma 的公司仍然運行著沒人知道如何更新的舊有軟體。

collocation: legacy software / legacy system

The hospital replaced all its old legacy computers with new machines last year.

那家醫院去年把所有老舊的 legacy 電腦換成了新機器。

同義詞
  • outdated

    stronger implication that the item should be replaced; legacy suggests continued usefulness

  • older

    neutral, less technical; does not imply continued operation

  • inherited

    suggests the system was received from a previous team or company, not planned

反義詞

文法句型

legacy + noun

用法筆記

Almost always placed before a noun (attributive position). Most common in computing and technology contexts, where it distinguishes equipment or programs that are still used from modern replacements.

常見錯誤

❌I need to legacy this program.
✅I need to update this old legacy program.
💡Legacy is an adjective, not a verb.
❌That software is legacy.
✅That is legacy software.
💡In formal English, legacy is rarely used alone after a linking verb.

2. Describing an airline that has been in continuous operation since before the US

2.形容詞C1
釋義

傳統航空

1978年前已存在的老牌航空公司

Describing an airline that has been in continuous operation since before the US airline industry was deregulated in 1978, typically with higher costs and fuller service compared to newer low-cost competitors.

例句

Amani works for a major legacy carrier and has never flown with a budget airline.

Amani 在其中一家大型傳統航空公司工作，從未搭過廉價航空。

variety: American English; collocation: legacy carrier

After deregulation, legacy airlines struggled to lower their operating costs.

放寬管制後，傳統航空公司努力降低營運成本。

同義詞
  • traditional

    broader meaning; legacy is a more precise term in US aviation

  • full-service

    focuses on the service model rather than historical status

反義詞
  • low-cost

    budget airlines with simpler service

  • budget

    inexpensive airlines that entered the market after deregulation

文法句型

legacy + airline / carrier

用法筆記

Primarily used in US aviation discussions. Refers specifically to airlines such as American, Delta, and United that operated before the 1978 Airline Deregulation Act, as opposed to newer carriers like Southwest or JetBlue.

常見錯誤

❌The legacy airline lost my bag.
✅The legacy carrier lost my bag.
💡Both are correct for this sense, but carrier is the technical industry term.

legacy — 名詞