Once the footway starts swaying, however subtly, more and more pedestrians adjust their gait to get comfortable, stepping to and fro in synch.

但一旦桥开始摇晃，哪怕只是轻微的晃动，也会使越来越多的行人调整自己的步调，通过不断的踏步调整来适应桥的晃动。

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However, in its place, a new and manipulative science of predictability risks becoming even more subtly intrusive than advertising was.

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