Commuting takes time and energy (spending time in traffic is particularly draining).
来回上下班需要时间和精力(交通上的耗时特别让人泄气)。
The relatively few who use railways often are disproportionately well-off: three-fifths of the traffic is concentrated in the wealthy commuting counties of the south-east.
经常乘火车的人数相对较少,可是其中的富人比例却出奇地高,五分之三的列车集中于东南部的富人社区。
In addition, with the current air traffic control system commuting would not be possible.
此外,目前的空中交通管制系统通勤将是不可能的。
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