So these are the things that can be done, but to do this, if we want to deal with a complete market failure, we have to change the way we view and prevent infectious diseases.
所以说，这些事情是可以做的， 但要做到这些， 如果我们想要在市场无力的情况下解决问题， 就必须改变我们看待、预防传染性疾病的方法。