A firewall provides an essential security blanket for your computer network.

防火墙为计算机网络提供了基本安全保障。

《牛津词典》

We did't invent a firewall that is secure against ordinary humans yet, let alone super intelligent machines.

我们还没有发明一个能抵御普通人的防火墙，更不用说超级智能机器了。

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The Apple chief kept details of his illness behind a firewall and declared he was cured after cancer surgery in 2004.

苹果公司总裁乔布斯曾在网站记录他的患病历史，并于2004年对外宣称手术成功治愈了他的胰腺癌。

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Keep your operating system and programs up-to-date with the latest security patches, and run a firewall.

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And that goes to figuring out a firewall that is substantial enough to meet the challenge.

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The settlement also included a provision that securities firms erect a firewall separating analysts from investment-banking operations.

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