The striking drop in numbers round British coasts of such seabirds as arctic terns, kittiwakes, guillemots and puffins is probably a result of the disappearance of sand eels.

在英国周围的海岸，象北极燕鸥、三只鸥、海雀和海鸭等海鸟数量的显著减少，可能是由于玉筋属鱼类消失导致的。

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The drop in Numbers was particularly sharp for profitable first-class travellers, as firms cut back on their travel budgets.

头等舱乘客数量的下降非常明显，原因是很多公司削减了旅游预算。

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Rivals such as Friends Reunited and MySpace have seen 'average session times' drop off, which then led to a reduction in visitor Numbers.

竞争对手诸如Friends Reunited以及MySpace出现了“平均访问时间减少”的情况，并导致访问人数下降。

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However, for their youngest-level players, leagues realize they are taking a risk by not allowing little Johnny to have his titanium bat, particularly Little League, which seen its participation numbers drop as travel teams grow in popularity.

FORBES: Composite bat bans have sporting goods industry crying foul

However, as time passes, the player numbers in the older social games gradually drop as players move on to newer games.

FORBES: Zynga Stock Looking Like It's Worth $10.34 Pre-IPO

Still, the poll is welcome news for Romney, who has watched his numbers drop in Iowa as Huckabee has moved into first place in recent Hawkeye State polls.

CNN: Poll: Obama catches Clinton in New Hampshire