So let's start with some good news, and the good news has to do with what do we know based on biomedical research that actually has changed the outcomes for many very serious diseases?
让我们从一些好消息开始吧， 而这些好消息与我们所了解的 生物医学研究有关 这些生物医学研究其实已经改变了 许多重症的治愈结果。