translation.en: Twenty or 30 years ago, if a chicken caught a cold and sneezed and died in a remote village in East Asia, it would have been a tragedy for the chicken and its closest relatives, but I don't think there was much possibility of us fearing a global pandemic and the deaths of millions.
translation.zh: 20或30年前， 如果在东亚一个遥远村落里，一只鸡 患了感冒，打个喷嚏然后死了， 对那只鸡和它的近亲来说 可能是个灾难， 但我想我们不太可能会 因此而担心全球流行病 和数百万人的死亡。