In one experiment, nearly 200 participants boarded a double-decker bus for a tour of Philadelphia.

在一项实验中，近200名参与者登上一辆双层巴士游览费城。

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One such patient is Eric Decker who had had bariatric surgery at Cincinnati Children's four years ago when he was 17 years old.

其中一个患者就是埃里克，四年前在他17岁的时候于辛辛那提儿童医院完成了治疗手术。

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The company's 164 trams, including two open-balcony trams for tourists and private hire and one special maintenance tram, make up the world's only fully double-decker tram fleet.

整支电车车队共有164辆电车，包括两辆开篷古典电车，供游客和私人租用，以及一辆特别维修电车。这支车队是世界上唯一全由双层电车组成的车队。

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I'm aboard one of Emirates Airline's double-decker Airbus A380s.

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Holding eye contact works best for 7 to 10 seconds in a one-on-one conversation, and for 3 to 5 seconds in a group setting, says Ben Decker, chief executive officer of Decker Communications, a San Francisco-based training and consulting firm.

WSJ: The Decline of Eye Contact

And then comes a green double-decker bus which lists its destination as "nowhere" - just like the one on the sleeve for The Sex Pistols' Pretty Vacant.

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