They stand ready to act not only in natural disasters, but also in other emergency situations that require assistance, such as epidemic outbreaks, and in the worldwide fight against HIV/AIDS.
他们随时准备采取行动，不仅参与救灾，还参与应对其他需要援助的紧急状况，例如流行病爆发和世界范围防治艾滋病的斗争。