You can download the gene sequences of pathogens off the Internet if you want to, and clearly someone recently -- I saw in a science magazine -- they said, well, the 1918 flu is too dangerous to FedEx around.
如果你想要知道病原体的基因序列， 你可以从因特网下载到。 而且我从《科学》杂志上看到，最近就有人这么做了。 嗯——，1918年的流感病毒用联邦快递传播也许太危险了些。