VACCINATING people against swine flu may be a lot easier than anyone dared hope, as it turns out that people have an unexpected degree of immunity to the pandemic now sweeping the world.
人们接种疫苗抵抗猪流感比任何人挑战希望容易得多，根据目前情况，人们对现在席卷全球的大流行有意想不到的一定程度的免疫性。
VACCINATING people against swine flu may be a lot easier than anyone dared hope, as it turns out that people have an unexpected degree of immunity to the pandemic now sweeping the world.
人们接种疫苗抵抗猪流感比任何人挑战希望容易得多，根据目前情况，人们对现在席卷全球的大流行有意想不到的一定程度的免疫性。
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