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we can prepare if something similar happens in the future 如果將來發生類似的事情，我們可以做好準備 Third-party service providers may go down, an update may not perform as expected, or a server may experience a hacking attack 第三方服務供應商可能會當機、更新可能無法如預期般執行，或伺服器可能遭遇駭客攻擊