As the surfer in the zone catches the wave, or the snowboarder launches into powder snow, or the runner feels the second wind, he or she will feel a sense of tremendous exhileration and even ecstasy.

• 就像冲浪者成风追浪，滑雪者冲入学海，亦或赛跑者追赶风速，他或她都会感到极度的兴奋甚至狂喜。