In addition, we employ a number of physical and electronic security measures to protect user information from unauthorized access.

此外，我们雇佣了保安和使用了电子安全多项措施，以防止在未经授权下访问用户的信息。

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We all understand the need for these kinds of physical security measures.

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Such people fear social unrest and populist measures that could threaten their economic interests and their physical security.

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What I also can say is that every passenger that passes security checkpoints is subject to many layers of security, as we all know, including a thorough physical screening at the checkpoint as well as other measures.

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