您要查找的是不是：
- 永久F2群体IF2
- “永久F2”群体"Immortalized F2" population
- 永久lasting
- 群体colony
- 永久的lasting
- 弱势群体disadvantaged groups
- 消费群体consumer group
- 永久地for good and all
- 永久居留reside
- F2F2 generation
- 群体性groupment
- 永久居民permanent resident
- F2代F2 generation
- 社会群体sociogroup
- 目标群体target group
- 他们希望生活在永久幸福之中。They hoped to live in perpetual happiness.
- 榜样群体model group
- 永久住址permanent address
- 客户群体customer group
- 永久居留证certificate of permanent residence
