这方面，国内的光帆科技（Lightwear）其实已经给出了先行版本——他们在耳机上装了一对摄像头，连续不间断地捕捉现实世界，但这些信息在 AI 使用之后便「阅后即焚」，既保证可用性，又具备私密性——这套方案，是不是也有点果味儿？
devices). So, the ATM behaved the same way.
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'Gradual downward curve'