Starting a Peacemakers' Club is a praiseworthy venture for a class and one that could spread to other classrooms and ideally affect the culture of the entire school.

对于一个班级来说，创建一个和平缔造者俱乐部是一个值得嘉许的尝试，这可能会扩散到其他班级，进而在理想情况下影响整个学校的文化。

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It is likely to spread around the world in the next six to nine months, and when it does so, it will affect about one-third of the world's population.

猪流感可能会在接下来的六至九个月内传至全世界，如果真的如此，那它将影响全球近三分之一的人口。

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Since the beginning of February 2006, the highly pathogenic H5N1 avian influenza virus has spread to affect wild or domestic birds in 17 new countries in Africa, Asia, Europe, and the Middle East.

自2006年2月初以来，高致病性H5N1禽流感病毒的传播已影响到非洲、亚洲、欧洲和中东17个新的国家的野生鸟类或家禽。

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Authorities are examining whether Donaghy made calls to affect the point spread in games on which he or associates had wagered thousands of dollars over the past two seasons, according to a law enforcement official.

NPR: Commissioner Says NBA Deserves Benefit of Doubt

And in addition to learning about why lying is good, or why kids have a natural propensity to learn foreign languages, or whether chimps can talk, business executives are taking greater pains to communicate the right impression to customers in a tech-driven world where word-of-mouth can spread like wildfire to affect brand images.

FORBES: Magazine Article

Snowfalls continued to affect much of north, east and central Scotland and north-east England and occasionally spread to parts of Wales, south-west England and Northern Ireland.

BBC: Weather - UK Review - November 2010