Is David Beckham more popular on or off the soccer field? Either way, "Beck" is a big hit in England.

大卫·贝克汉姆在球场上还是球场外更受欢迎？无论是哪一种身份，贝克·汉姆在英国都大受欢迎。

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The flag of st David is a gold cross on a black background, although earlier variations exist.These include a black cross on a gold field and engrailed edges on the cross.

虽然早期曾变为金色背景下的黑色十字以及十字的边缘变化为锯齿状，但圣大卫之旗如今基本保持于黑色背景下的金色十字。

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Field studies of contrails are rare, says David Travis of the University of Wisconsin-Whitewater. Most of our understanding of their effects is based on model studies.

对航迹云的现场研究一直是很稀少的。威斯康星大学白水分校的戴维·崔维斯说，我们所了解到的大部分对航迹云的研究都是基于模型研究的。

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David Field, professor of neo-natal medicine at the University of Leicester, agreed better advice was needed.

BBC: NEWS | Health | Warning over infant mortality gap

The venture-backed company began using that fund in January this year to sell solar leases to homeowners, said CEO David Field.

FORBES: Startup OneRoof Energy Secures $100M Fund For Solar Homes

The research was carried out by archaeologists Jim Leary and David Field, who dug a cross-section tunnel into the monument in 2007.

BBC: Prehistoric Silbury Hill 'was built in layers'