塞尔弗里奇是伦敦第一家安装闭路录像设备来监视销售楼层的大型商店。
Selfridges was the first big London store to install closed-circuit videotape equipment to watch its sales floors.
你看，第一批被称作“可视电话”的设备是日本制造的，但它们只能显示静止的黑白图像，所以这款可视电话要比那款好得多。
You see, the first "videophones"—that's what they're called—were made in Japan, but they can only show a still black and white image, so this videophone is much better than that.
如果成功的话，这个微型设备将为月球提供有史以来第一个移动电话网络。
If successful, the tiny device will provide the moon with its first ever mobile phone network.
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