What if your projector blew a light bulb (and you forgot to bring a spare) or your briefcase was lost at the airport?

例如，投影仪上的电灯泡坏了（而你又没有带备用的），或者你的公文包落在机场了。

youdao

Travel light (financially) and carry a spare card.

轻装上路(财务)带一张备用银行卡。

youdao

The reports - usually spare summaries but sometimes detailed narratives - shed light on some elements of the war that have been largely hidden from the public eye.

这些报告大部分都是备用摘要但也有一些详细叙述，它清晰阐明了这场战争中公众无从得知的一些细节。

youdao

Those numbers get all the more alarming in light of a Morgan Stanley estimate of worldwide spare capacity that we shared on March 4.

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She loves making anything from light fixtures to stuffed animals to strawberry shortcake in her spare time.

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Ms. Adelman (who employed Ms. Brittain until last year) is known for chandeliers with handblown glass volumes projecting from spare, branchlike arms, as well as her You Make It series of DIY light fixtures built from off-the-shelf parts.

WSJ: The New American Minimalism