最重要的不同是今天的人们更健康，寿命更长。
The most important difference is that people are healthier today, and they live longer.
目的：随着人类寿命的延长，越来越多的人们开始关注健康。
OBJECTIVE: With the prolongation of life span, more and more people care their health.
目的：随着人类寿命的延长，越来越多的人们开始关注健康。
OBJECTIVE: With the prolongation of life span, more and more people care their health.
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