When eradication is achieved, we will have delivered a perpetual gift: no child will ever again suffer life-long paralysis from polio.
当消灭了这一疾病之时，我们就会送出一份永久的礼物：不会再有孩子因脊灰而终身瘫痪。
When eradication is achieved, we will have delivered a perpetual gift: no child will ever again suffer life-long paralysis from polio.
当消灭了这一疾病之时，我们就会送出一份永久的礼物：不会再有孩子因脊灰而终身瘫痪。
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