The curtains were an impulse buy.

这窗帘是一时心血来潮买下的。

《柯林斯英汉双解大词典》

It was an impulse buy.

这是一时心血来潮买的。

《牛津词典》

Although they are not usually seen as an impulse buy, shoppers can quickly purchase gold bars and COINS in varying weights.

尽管人们大多认为这不是冲动消费，但顾客确实可以快速买到重量不等的金条和金币。

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"It was an impulse buy, " he says.

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"It's an impulse buy, " Englehardt said.

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All have seen their share prices ease back down over the past three weeks, after the storm spurred an impulse buy for investors figuring that all the damage in Louisiana and Mississippi would bring big business to the big home builders.

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