Privacy is to keep information secret from all but those who are authorized to see it by data encryption.

保密是指通过数据加密，防止对手破译系统中的机密信息。

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As with any access information, it is imperative that you keep your secret key... secret.

和任何访问信息一样，都必须保管好您的秘密密钥。

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The traditional way was to keep things a secret, and not let others be privy to your inside information.

传统方式是保持秘密，不让别人知道你的内部信息。

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Government lawyers signaled that they would continue fighting to keep the information secret on national security grounds.

CNN: Commentary: Obama driving down middle of the road

The absence of such protection would make firms keep this information secret.

ECONOMIST: Greens v genes

The Obama administration added that the government's interest in solving crimes outweighs the right to keep personal genetic information secret.

NPR: Court Takes Up Question Of Arrestee DNA Sampling