fallback

SAVE something TO USE LATERsomething that can be used or done if a supply, method etc fails 储备物，备用物；退路；可依靠之物 SYN backup

It’s wise to have an extra video player as a fallback.

最好有一台录像播放机备用。

Do you have a fallback option?

你有备选方案吗？

→ fall back on somebody/something at fall1

Examples from the Corpus

fallback• Do you have an alternative plan to use as a fallback?• That will provide a fallback for the unfortunate citizens of Lancashire, who have a very extravagant Labour council.• Even the final fallback position, Micawberism over the economy, seems doubtful.• I had organised two more fallback packages that would come in handy now.• If you go bankrupt my earnings will be our only fallback.• So prepare yourself well, with fallback and contingency plans, if your first offer is rejected.

From Longman Business Dictionary

fallbackfall·back /ˈfɔːlbækˈfɒːl-/ noun [countableC]

1another word for FALL2

fallback in

The March consumer price index is also expected to benefit from a fallback in clothing prices.

2something that can be done if the original plan does not succeed, or that can be used if the thing that you want is not available

Nobody admits to having a fallback position in case European monetary union does not work out.

Fallbacks are essential to ensure you are not putting your home at risk if your saving plans go wrong.

Chinese

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Corpus