three score of people 还是three score people

问题描述:

three score of people 还是three score people
score前有具体数字时,何时在score后加of,何时不加of?

应该是three score of people(六十个人),three score of sth.,sth.(主要指一些代词,和表示数量的名词,如,people,them,teachers等等)
另外scores of sth.是很多的意思,如scores of people 是
很多人的意思.