vast amount of 还是vast amounts of?
问题描述:
vast amount of 还是vast amounts of?
providing relief after the disaster necessitated the mobilization of vast amounts of food,medical supply and people.
amount有必要加复数么?另外这个medical supply 是否改成supplies?为什么啊
答
medical supply 改成supplies 作为补给品为复数
amounts of=an amount of