Why would you need a surveillance camera in a brokerage firm?

在经纪公司为什么需要监视器 呢 ?

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Use a surveillance camera if necessary to obtain natural and spontaneous behavior.

如果需要拍摄自然的或无约束的举止,可以使用监视器.

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We had a surveillance camera installed in our building.

我们在大楼里安装了一台监视用的摄影机.

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An electronic surveillance camera was installed to watch his activities.

他们装了一台电子监测器监视他的一举一动.

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A surveillance camera was mounted in the elevator.

一部监视用的摄影机安装在电梯里面.

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An electronic surveillance camera was watch his activities.

他在摄像机面前表现得很自然.

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