不小心购买英文怎么说

"不小心购买" 的英文表达可以是 "accidentally purchase" 或 "unintentionally buy".

这个短语的来源是指在购买某件东西时，由于疏忽或其他原因，没有注意到自己在购买，或者并没有有意识地购买，而是意外地购买了。

以下是一些例句：

I accidentally purchased two of the same item when I meant to just buy one. (我本来只想买一个，结果不小心买了两个相同的物品。)
I didn't mean to buy this expensive item, I must have unintentionally pressed the purchase button. (我不是故意买这件贵的东西，一定是不小心按了购买按钮。)
I accidentally purchased a subscription I didn't want. Can I get a refund? (我不小心购买了一个我不想要的订阅。我能退款吗？)