觉得不是那么回事儿,Vienna凭啥排在第一?FRA凭啥在MUC前面?STU凭啥在MUC后面? ...9 N9 W% E- G, p! G! Q& Z, E# j7 ]
黄沙百战穿金甲 发表于 27.5.2010 21:03 + E" r+ s7 ^+ x# Y# F0 Z
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他们的标准:# Y0 x% }6 N4 ^4 G. ]. F2 D: [
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This year’s ranking also identifies the cities with the best eco-ranking based on water availability and drinkability, waste removal, quality of sewage systems, air pollution and traffic congestion. |