多年来格雷汀斯工作在克罗地亚的难民营，访问了卢旺达的救助工程，与印度的特雷莎修女会面。
Over the years Mr. Greitens would work in refugee camps in Croatia, visit aid projects in Rwanda and meet Mother Teresa in India.
如果每个人都使用更便宜的药物安维汀，而不是更昂贵的雷珠单抗，那么医疗保障每年就可以节省数亿美元。
Medicare could save hundreds of millions of dollars a year if everyone used the cheaper drug, Avastin, instead of the costlier one, Lucentis.
美国食品和药品管理局还没有批准阿瓦斯汀用于眼部治疗，使用它来代替雷珠单抗可能会产生额外的安全风险，尽管这一风险也许很轻微。
The Food and Drug Administration has not approved Avastin for use in the eye, and using it rather than the alternative, Lucentis, might carry an additional, although slight, safety risk.
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