一些国家的卫生部长在亚的斯亚贝巴指出，高昂的疫苗价格迫使穷国政府需要作出承担预防哪些致命疾病的成本的艰难选择。
As several health ministers pointed out in Addis Ababa, high vaccine prices force poor countries’ governments to make tough choices about which deadly diseases they can afford to prevent.