translation.en: For the first time, we saw an AIDS vaccine work in humans -- albeit, quite modestly -- and that particular vaccine was made almost a decade ago.
translation.zh: 这是我们第一次发现艾滋病毒在人体中怎样进行的， 尽管我们的发现是有限的。 一种特殊的疫苗在十多年前 就研制出来了。