I also know that people in Japan and Sweden, countries that spend far less on medical care, have achieved longer, healthier lives than we have.

　　①Yet there are limits to what a society can spend in this pursuit.

　　②As a physician, I know the most costly and dramatic measures may be ineffective and painful.

　　③I also know that people in Japan and Sweden, countries that spend far less on medical care, have achieved longer, healthier lives than we have.

　　④As a nation, we may be overfunding the quest for unlikely cures while underfunding research on humbler therapies that could improve people’s lives.

　　参考译文：

　　①(论点: 总1)然而，在这样一种追求下，社会在这方面的支出是有限的。

　　②(原因: 分1)作为一名医生，我知道最昂贵和最激进的的措施可能是无效和痛苦的。

　　③(并列: 分2)我还知道，日本和瑞典这两个医疗支出少得多的国家，人们的寿命更长，更健康。

　　④(建议: 总)作为一个国家，我们可能在寻求不太可能的治疗方法上投资过多，而在能够改善人们生活的较普通治疗方法的研究上投资不足。