A final trend identified by Zuvekas and Vitiello was the decline in the use of stimulants in the youngest age group of children, the preschoolers.

祖沃克和维特罗指出一个趋势，兴奋剂在低龄儿童和学龄前儿童中的使用将会有所减少。

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The drop in GDP growth to just 1.8% in the first quarter of 2011, from 3.1% in the final quarter of last year, understates the extent of the decline.

今年一季度的GDP增长率从去年四季度的3.1%下降到仅为1.8%的水平，但这样的降幅还是低估了衰退的程度。

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Output fell by a further 1.5% in the final three months of 2008, the biggest quarterly decline since 1980.

在08年第4季度，产出又下降了1.5%，创下了1980年来季度最大跌幅。

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Long a heavy drinker, Smith was aging visibly, and these live shows hinted at the final decline.

NEWYORKER: Plug and Play

But the figures for the final quarter of last year actually show a decline for the first time in nearly four years for the OECD as a whole - which is nearly all the rich countries and a few of the more developed emerging economies.

BBC: OECD economies in 0.2% quarterly decline

Industrial demand then slumped in the final three months of the year, resulting in a decline for full-year 2011.

FORBES: Silver Survey: Investment Key To Silver-Price Action In 2011; Mine Supply Hits Record High