加拿大将成为首个正式退出《京都议定书》的国家，并称该条约有严重漏洞，并未覆盖全部的温室气体排放大国。
Canada will become the first country to formally withdraw from Kyoto, which it says is badly flawed because it does not cover all major emitters of greenhouse gasses.
并且，尝试实现自己的安全性也颇具风险，因为任何微小的疏忽都会导致严重的安全漏洞。
It's also a risky area to try to implement on your own, because even a minor and obscure oversight can lead to serious vulnerabilities.
特别是使用 GRUB 时，因为能够引导到单用户模式，所以是一个严重的安全漏洞。
With GRUB in particular, being able to boot into single-user mode could pose a serious security hole.
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