As for Ebola, there is absolutely no market at all, so the only reason we have two vaccines in late-stage clinical trials now, is actually because of a somewhat misguided fear.
至于埃博拉，则完全没有市场， 所以，如今我们能有两种疫苗进入后期临床实验， 唯一的原因是，有点被误导的恐惧。