translation.en: I meet with lots of people on the ground and Bill's taught me to take that and read up to the global data and see if they match, and I think what I've taught him is to take that data and meet with people on the ground to understand, can you actually deliver that vaccine?
translation.zh: 我实地探访了很多人， 比尔教给我的是，要把我的直觉跟全球性的数据作比较， 看看是不是吻合， 而我认为我教给他的是， 凭着数据，亲身去跟人们交流，去理解， 那种疫苗的供应流程可行吗？