“A vampire shopper 吸血鬼购物者” 听起来虽然很吓人，但这个英语说法所描述的人在生活中其实并不少见。它通过传说在夜间活动的虚构生物 “vampires 吸血鬼” 来比喻喜欢在夜晚上网购物的人们。

例句
Since our son was born, I rely completely on buying what I need online. I have become a real vampire shopper while feeding him in the early morning.
自从我们的儿子出生以来，我完全依赖在网上购买我需要的东西。我已经变成了一个在半夜边喂奶、边购物的人。

According to statistics, the average vampire shopper buys 20% more than the average daytime shopper.
据统计，夜晚网购人的购买量比白天网购者平均多 20%。

When Claire can't sleep, she goes online and buys things. She's become a vampire shopper, which is an expensive new habit!
克莱尔一睡不着觉就上网购物。她变成了一个总在大半夜网购的人，这个新习惯可是够花钱的！