1. Hire a mercenary: 雇佣雇佣兵
2. Mercenary soldiers: 雇佣兵士
3. Mercenary forces: 雇佣军队
4. Mercenary warfare: 雇佣兵战争
5. Mercenary company: 雇佣兵公司
6. Mercenary recruitment: 雇佣兵招募
7. Mercenary contracts: 雇佣兵合同
8. Mercenary deployment: 雇佣兵部署
9. Mercenary activities: 雇佣兵活动
10. Mercenary operations: 雇佣兵行动
11. Mercenary tactics: 雇佣兵战术
12. Mercenary services: 雇佣兵服务
13. Mercenary missions: 雇佣兵任务
14. Mercenary support: 雇佣兵支持
15. Mercenary presence: 雇佣兵存在
16. Mercenary intervention: 雇佣兵干涉
17. Mercenary warfare: 雇佣兵战争
18. Mercenary mindset: 雇佣兵心态
19. Mercenary motivations: 雇佣兵动机
20. Mercenary industry: 雇佣兵产业