that kinda thing.
3月6日，美国国家公路交通安全管理局（NHTSA）表示，福特汽车公司正在美国召回174万辆汽车，原因是后视摄像头缺陷可能导致图像无法显示。（界面新闻）
。业内人士推荐新收录的资料作为进阶阅读
First FT: the day’s biggest stories
The Muo even drew praise from airport security. On a recent trip, my bag was singled out for searching, and the officer asked me, “Do you have an expensive Bluetooth speaker?” He explained that larger air volumes show up denser on x-ray. Cheap speakers, he said, rarely get flagged. It is a throwaway anecdote, but it neatly underlines what KEF is chasing here: more usable air inside a small enclosure, and the fuller sound that comes with it.
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