Problem of is that really no, it's not really is a model, but it is what we need to understand, because this is a disease which is spreading, like all epidemics in a way that will affect us in weeks to come but isn't felt today.
問題的是,真的沒有,它不是真的是一個模型,但它是我們需要了解,因為這是一種疾病,正在蔓延,像所有的流行病的方式,將影響我們在未來幾周,但今天沒有感覺到。