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https://bigliettifinalechampions.altervista.org/%e4%bb%a5%e4%b8%8b%e6%98%af%e5%a6%82%e4%bd%95%e4%b8%8b%e8%bd%bdapple%e7%9a%84%e6%96%b0macos-catalina%e6%9b%b4%e6%96%b0/2019-06-06
以下是如何下载Apple的新MacOS Catalina更新