Much of the population along the river lived by fishing and boating.
沿河大部分人口以捕鱼行船为生。
请问这里为什么用 Much of the population,它对吗?为什么不用 Many of the population?
我觉得 Much of the population 的用法是对的,因为 population 作为集合名词在这里是被视为一个整体。