제가 오랫동안 그렇게 생각해왔었고, 실제로 의료인들이 거기에 초점을 맞춰왔던 것입니다. 미생물은 해로운 거라고요.
And this is what I thought for a long period of time, and that's in fact what medicine and people have focused on quite a bit, the microbes that do bad things.