对DNA的化学表弟分子RNA链作为使者，携带订单到细胞的蛋白质工厂，并将其转化为行动。
Strands of DNA's chemical cousin RNA served as molecular messengers, carrying orders to the cells' protein factories and translating them into action.
回答这个问题的麻烦之处就在于，人们通常是不按轨迹行动的。但是多亏了我们随身携带的手机，如今我们有迹可循了。
The problem with answering this question is that people normally are not tracked - but today we are tracked thanks to the phones we carry with us.
如果野鸟是这类寄主，它们将很有可能在随后的迁移行动中携带病毒。
If they are such a reservoir, there is a strong likelihood they will carry the virus with them in subsequent migrations.
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