Besides the wheelchair, the devices range in scale from a location-aware cellphone all the way up to an industrial forklift that can transport large loads from place to place outdoors, autonomously.
除了应用于轮椅，这些设备还有其它更广泛的用途，从用同样方式进行自我定为的手机，到可以从室内自主运送大量货物，到户外指定地点的的叉车。
On a scale of “the best and worst things that could happen, ” how did the members of the first group rank becoming rich and the second wheelchair-bound?
当被问及“可能发生的最好和最糟的事情”时，第一组受访者会怎么看待自己中彩变富一事，而第二组人员又会怎么看待自己只能坐在轮椅上这一事实？
On a scale of “the best and worst things that could happen, ” how did the members of the first group rank becoming rich and the second wheelchair-bound?
当被问及“可能发生的最好和最糟的事情”时，第一组受访者会怎么看待自己中彩变富一事，而第二组人员又会怎么看待自己只能坐在轮椅上这一事实？
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