The streets of San Francisco are not only sunnier, quieter and grubbier than London’s, they are noticeably less covered in CCTV cameras. US cities lack the sort of blanket surveillance of public spaces that Londoners are used to. That doesn’t mean you are not being watched.
旧金山的街道不仅比伦敦的街道更阳光充足、更安静、更有活力，而且明显没有闭路电视摄像头的覆盖。美国城市缺乏伦敦人所习惯的那种对公共场所的全面监控。这并不意味着你没有被监视。
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