第一顺位受益人:Primary Beneficiary
http://www.google.com/search?q="first Beneficiary" insurance...
第二顺位受益人: secondary Beneficiary
http://www.google.com/search?q="secondary Beneficiary" insur...

对比: first beneficiary和second beneficiary,明显在保险中使用Primary Beneficiary和secondary Beneficiary占了大多数
http://www.google.com/search?q="first Beneficiary" insurance...
http://www.google.com/search?q="second Beneficiary" insuranc...

另外,直接查"第一顺位受益人"，也能得出同样结论：
http://www.google.com/search?q="Beneficiary" "第一顺位受益人"&num=1...

保险专有名词(五字部)(页1) - 保险信息- 利得知识分享平台- powered by ...
第一顺位受益人（Primary Beneficiary）为第一有资格领取保险金的人。 第二顺位受益人（Secondary Beneficiary）当被保人死亡而第一顺位受益人亦无一人存在时， ...
zlee.12.com.tw/gateway/gb/www.leader-inc.com/forum/archiver/?tid-229.html - 12k -