One of the problems when people get sick from food is that the simplest question is often difficult or even impossible to answer. Just what did the people eat that made them sick?
人们因食品而生病的其中一个问题是，其中最简单的问题通常很难或者不可能回答，那就是：人们到底食用了什么才生病的？
One of the problems when people get sick from food is that the simplest question is often difficult or even impossible to answer. Just what did the people eat that made them sick?
人们因食品而生病的其中一个问题是，其中最简单的问题通常很难或者不可能回答，那就是：人们到底食用了什么才生病的？
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