因为那可能是普通的感冒，也可能是因为科学家研究出问题而引发的大规模的，流行性的，可以灭绝大部分人类的病毒。
It might be a common cold, or it could be the start of a vast pandemic — most likely due to a scientific experiment gone wrong — that will wipe out most of humanity.
因为那可能是普通的感冒，也可能是因为科学家研究出问题而引发的大规模的，流行性的，可以灭绝大部分人类的病毒。
It might be a common cold, or it could be the start of a vast pandemic — most likely due to a scientific experiment gone wrong — that will wipe out most of humanity.
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