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Continue to ChatUPS成立無人機送貨子公司並尋求美國聯邦航空局批准 https://blog.wongcw.com/2019/07/24/ups%e6%88%90%e7%ab%8b%e7%84%a1%e4%ba%ba%e6%a9%9f%e9%80%81%e8%b2%a8%e5%ad%90%e5%85%ac%e5%8f%b8%e4%b8%a6%e5%b0%8b%e6%b1%82%e7%be%8e%e5%9c%8b%e8%81%af%e9%82%a6%e8%88%aa%e7%a9%ba%e5%b1%80%e6%89%b9/