The G8 nations have been incredibly generous on polio over the last 20 years, but we're starting to have something called polio fatigue and that is that the donor nations aren't willing to fund polio any longer.
八国集团在过去20年内，慷慨地捐出了巨资， 用于治疗小儿麻痹症。 然而现在，人们开始对小儿麻痹症的捐助捐助工作感到疲乏， 也就是说，那些捐助国 不再热衷于出钱资助小儿麻痹症的治疗。