He pluralized those two town for temporary shortage of man power 他因为暂时性的人力短缺,在那两个城镇兼职。
2.
Some of the shortage can be addressed by ensuring that trained personnel are not burdened with tasks that could be done by others 要解决医疗人力短缺的问题,可以从确保专业医护人员不必分心处理其他杂事开始。