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Continue to ChatMozilla Firefox在Windows上的Nightly版本中啟用畫中畫功能 https://blog.wongcw.com/2019/04/20/mozilla-firefox%e5%9c%a8windows%e4%b8%8a%e7%9a%84nightly%e7%89%88%e6%9c%ac%e4%b8%ad%e5%95%9f%e7%94%a8%e7%95%ab%e4%b8%ad%e7%95%ab%e5%8a%9f%e8%83%bd/