早在1936年，当德国帝国邮政首次推出公共视频电话服务时，科技预言家就预言可视电话将会取得巨大成功。
TECHNOLOGICAL prophets have forecast the triumph of video calling ever since 1936, when Germany's Reichspost launched the first public videophone service.
早在1936年，当德国帝国邮政首次推出公共视频电话服务时，科技预言家就预言可视电话将会取得巨大成功。
TECHNOLOGICAL prophets have forecast the triumph of video calling ever since 1936, when Germany's Reichspost launched the first public videophone service.
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