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来源:雅诚德英语网
Seventeen states allow parents to get an exemption, sometimes just by signing a paper saying they personally object to a vaccine.
17个州允许父母获得豁免,有时他们只需要签署一份文件,以此声明他们反对接种疫苗。
Seventeen states allow parents to get an exemption, sometimes just by signing a paper saying they personally object to a vaccine.
17个州允许父母获得豁免,有时他们只需要签署一份文件,以此声明他们反对接种疫苗。