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Report any threats or suspicious behavior.

报告任何受到的威胁或者可疑行为。

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To detect infringement or suspicious behavior.

查明违规、违法及可疑行为。

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Precheck passengers who displayed suspicious behavior would still be subjected to full security checks.

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Companies are also improving technology to enhance inventory tags, and are using CD-ROMs to train employees interactively on spotting suspicious behavior.

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There are officers on the street that see some kind of suspicious behavior.

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