V2EX fallback

Fallback

发音 Pronunciation

/fl.bk/

释义 Definition

作为名词,指在主要方案失败时可以依赖的备用方案退路;作为形容词,指备用的、后备的

例句 Examples

We need a fallback in case the internet goes down.
我们需要一个备用方案,以防网络中断。

The team activated their fallback strategy when the original supplier failed to deliver on time, switching to a local vendor to avoid production delays.
当原来的供应商未能按时交货时,团队启动了备用策略,转而选择本地供应商以避免生产延误。

词源 Etymology

fallbackfall(落下、退回)和 back(向后)组合而成。最早在军事语境中使用,指部队在战斗中向后撤退到安全位置。后来词义扩展,泛指任何在主要计划失败后可以退而求其次的备选方案。这个词在20世纪中期开始广泛用于日常英语和技术领域。

相关词汇 Related Words

文学与使用 Literary Usage

fallback 在军事文学中频繁出现,例如克劳塞维茨的《战争论》(On War)英译本中多次使用该词描述战术撤退。在现代科技写作中,该词也非常常见,例如在软件工程领域,fallback 用来描述系统在主服务不可用时自动切换到备用服务的机制。此外,在商业和管理类书籍中,如斯蒂芬柯维的《高效能人士的七个习惯》(The 7 Habits of Highly Effective People)中,也常出现 fallback 的概念,强调提前准备备用方案的重要性。

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