I always think how my grandfather would have been pleasantly surprised to learn that now the scourge of polio has been eliminated in most of the world and that the remaining small pockets may soon be wiped out 我常想著如果我祖父仍在世时,他一定会很高兴的惊悉现在小儿?痹这种传染病在全世界几乎被消灭了,只剩下少数的地区即将绝迹。