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这一次，出门问问“抄作业”的对象，是2024年创下1000万美金收入的AI录音卡片Plaud Note。这家来自华强北的公司，专门瞄准了苹果手机通话无法录音的痛点，将一款可以磁吸在手机背面的卡片式录音机，卖到了亚马逊的榜一。