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。
Clone combat engineers would blaze a stable trail over unsteady terrain and construct a makeshift bridge that would accommodate the heavier walkers further down the battle line.
克隆人工兵可以在不稳定地形上开辟一条稳定的小路，架设一座临时桥以供较重的步行机继续开赴前线。
But none of the later fossils considered to be on the direct human line were knuckle-walkers.
不过，在后来出土并被认为与人类进化直接有关的化石上，没有出现与关节行走者有关的证据。
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