我应该给孩子做预防接种吗?
我的朋友Julia称之为”为了抵御失望给自己接种。
My friend Julia calls it inoculating yourself against disappointment.
卫生工作人员说最重要的是在一个社区给多有的儿童接种。
Health workers say it is important to vaccinate all children in a community.
卫生工作人员说最重要的是在一个社区给多有的儿童接种。
Health workers say it is important to vaccinate all children in a community.
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