We need to make clear the connection between animal research and a grandmother's hip replacement, a father's bypass operation, a baby's vaccinations, and even a pet's shots.

我们需要弄清楚动物研究与祖母的髋关节置换手术、父亲的搭桥手术、婴儿的疫苗接种、甚至宠物的疫苗接种之间的联系。