这个踏杆就是酷步车与其它滑板车不一样的地方，只需踩动踏杆就可以连续滑行，无需蹬踩地面。
The foot bar is that part which differs it from other scooters. Customers just need step on treadle to make it glide, no need drive the ground.
20世纪50年代末60年代初由冲浪运动演变而成的滑板运动，在而今已成为地球上最“酷”的运动。
50 20th century by the late 60's early surfing skateboarding evolved in the planet and have now become the "cool" of the movement.
与滑板不同(跑酷某些方面与滑板类似)，跑酷所需的唯一工具就是一双好鞋。
Unlike skateboarding (which parkour resembles in some ways), the only equipment required for parkour is a good pair of shoes.
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