Today's immediate problem is one of _____(distribution) of both food and income.
问题描述：
Today's immediate problem is one of _____(distribution) of both food and income.
答
distributionsdistribution可数吗？one of 后面加的一定是复数名词吗？？one of 表示。。。。之一，应该是复数distribution即可以做可数名词也可以不可数名词