For some green space, cyclists and in-line skaters like Central Park, which covers 843 acres and 50 blocks up the middle of Manhattan.

要想见点绿色，可以骑车或溜旱冰去位于曼哈顿中心的中央公园，这个公园坐落在50街区，占地843英亩。

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One was the growing popularity of urban trails, which led to crowing and user conflicts, especially among cyclists, walkers, in-line skaters and equestrians.

一个是城市步行道的日益流行造成拥挤和使用者间的矛盾，特别是在骑车、步行、轮滑和骑马的人之间。

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Skaters Jamie Sale and David Pelletier of Canada were just the latest in a long line of athletes left feeling cheated at sport's greatest event.

BBC: Controversy on the greatest stage