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? ...
& t1 L& n/ c/ G: \+ H黄沙百战穿金甲 发表于 27.5.2010 21:03 7 P$ t T' O2 S1 f* m5 E# T6 ^
, [, \* r6 H* I1 A5 K9 g m他们的标准:9 c/ g9 |. n) j- ]7 b
3 F: p# s) ^& k& y5 X7 J9 z3 ` 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. |