She beat the other runners by a margin of ten seconds.
她以领先十秒的优势战胜了其他赛跑者。
The survey has a margin of error of 2.5%.
测量的误差幅度为2.5%。
Republican Bob McDonnell leads Democrat Creigh Deeds by a large margin in public-opinion polls in Virginia.
VOA: standard.2009.11.02
"He is at 50 or below in most surveys, and that is mainly because of the economy, which continues to be stubbornly weak, the unemployment rate is very high and still in double-digits, and as a consequence Obama does not have much margin for error,".
VOA: standard.2010.01.06
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