And not only that, but when they came into these countries, then they got on commercial jetliners probably and they traveled even farther to other places like Russia, where, for the first time in over a decade last year, children were crippled and paralyzed by a disease that they had not seen for years.
不仅如此，当他们进入这些国家后 很可能又登上了商务航班 飞到了更远的地方 如俄罗斯 在那里，去年，十多年来第一次 有儿童因脊髓灰质炎而瘫痪 而当地已多年未见这种疾病