| 21. | the question of the dual nationality |
| 双重国籍问题
|
| 22. | exotic nationality |
| 外国国籍
|
| 23. | visitors of foreign nationality |
| 外国游客
|
| 24. | a plane of unknown nationality |
| 不明国籍的飞机
|
| 25. | exhibits grouped according to nationality |
| 根据国别分组的展品
|
| 26. | classify by sex [age, nationality , locality, etc. ] |
| 根据性别[年龄、民族、地区]分类
|