We all know that energy cannot be created or destroyed, only transformed.

我们都知道这能量不能被创造或毁灭，只会转换。

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Swaying below,Indiana city and farm couples alike were transformed - if only for one romantic night - into glamorous dance teams.

VOA: standard.2010.02.25

Telling us their stories through a translator, Rick and I sat aghast as one farmer after another told us how this economic initiative had not only transformed their vocation, but redeemed their whole lives, providing their families and entire villages with the chance for a new life.

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As America shows, mayors are often the boldest education reformers: Mr Bloomberg is not the only mayor who has transformed local schools.

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But in the years since, a series of innovations have transformed not only the world of telecommunications but also the way we live, work and play.

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