This question, as the article mentions, is not at all new.
这个问题，如该文所述，根本不是个新问题。
The article mentions a 2007 study in which researchers found that low- and midcost shoes within the same brand cushioned runners' feet just as well as high-cost ones -- sometimes even better.
文章提到了2007年的一项研究，该研究人员发现相同品牌中低价位的气垫跑鞋跑步效果甚至比高价位的气垫跑鞋的效果更好。
Every article that I read about botnets mentions that this problem is here for the long haul, stating simple economics as the reason.
我阅读的每一篇有关僵尸网络的文章都提到，这个问题在有关僵尸阅读这里拖了很久，说明了简单的经济学原因。
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