她在瑞士和法国的研究发现就算给他们无限制的免费通话或很便宜的通话资费，通话时间并没有明显增加。
Her research in Switzerland and France found that even when people are given unlimited cheap or free calls, the number and length of calls does not increase significantly.
富国们已经习惯了无限制地获取廉价原材料：原材料价格已经下降了一个世纪甚至更长的时间。
Rich countries had become used to unlimited access to cheap raw materials: prices had been falling for a century or more.
你怎么样?与人行也很好。不过，我渴望孤独的旅程非常。这不是，并享受免费旅游目的地渴望。我想出去旅行一段时间无限制。
Finally, I I yearn to the solitary journey. However, I do not hate tour travel. I think that there is a merit also in the tour.
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