translation.en: If you're already 100, or even if you're 80 -- and an average 80-year-old, we probably can't do a lot for you with these therapies, because you're too close to death's door for the really initial, experimental therapies to be good enough for you.
translation.zh: 如果你已经100岁，或者你是80岁， 平均80岁， 我们可能很难为您做些什么， 因为您的时间不多了。 所以最初的，实验性疗法对你已经不起作用了。