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https://manhung.tech/2018/10/23/app%e6%8e%a8%e4%bb%8b%e6%89%8b%e6%a9%9f%e9%8c%84%e9%9f%b3%e7%84%a1%e9%9b%a3%e5%ba%a6-audio-recorder/
[App推介]手機錄音無難度: Audio Recorder