在过去的几十年，先进的医疗技术已经使得人们比过去活的时间更长成为可能。
In the past few decades, the advanced medical technology made it possible for people to live longer.
在过去的几十年，先进的医疗技术已经使得人们比过去活的时间更长成为可能。
For the last few decades, advanced medical technique has been developed to help people live longer than before.
在过去的几十年，先进的医疗技术已经使得人们比过去活的时间更长成为可能。
For the last few decades, advanced medical technique has been developed to help people live longer than before.
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