translation.en: And so you can go in and have a billion different viruses that are all genetically identical, but they differ from each other based on their tips, on one sequence that codes for one protein.
translation.zh: 这样就能得到十亿个不同的病毒 它们具有相同的遗传基因， 但它们可以基于它们的标签相互区分， 为一个蛋白质 编码的序列。