With their reserve forces of some six million, I think they're the fourth largest army in the world.

朝鲜的军事储备力量大概有600万人，我认为朝鲜是世界上第四大军人最多的国家。

The administration needs to invest in a reserve force of refugee officers and caseworkers, so we can respond more quickly to these refugee emergencies.

政府需要投资于难民官员和个案工作者的后备力量，这样我们才能更快地应对这些难民紧急情况。