This is the idea that we can study the sort of pinging of these viruses into human populations, the movement of these agents over into humans; and by capturing this moment, we might be able to move to a situation where we can catch them early.
这个想法就是，我们可以研究 这些病毒是怎么样感染人类， 以及病毒携带者进入人体的过程， 通过捕捉这一瞬间， 我们或许可以追溯到发现病毒的早期。