大衆的英文：
the masses; the people; the multitude; the crowd; the mass population

people是什么意思：
n. 人，人们；人民，民族；雇员，支持者；客人，朋友；家人，亲人
v. 居住在，把...挤满人

They are the unworldly people.
他们是无俗念的人们。

Compare person,persons,people and peoples.
试比较person.persons,people,和people的用法

The government of the people, by the people, and for the people shall not perish from the earth.
民有、民治、民享的政府永世长存。

multitude是什么意思：
n. 许多，多数
n. 群众，人群

In the multitude of counsellors there is safety
谋士多,保安全

Charity covers a multitude of sins.
施舍遮百恶。

The main problem is not that there is a multitude of small advertisers
这种现象的主要原因不在于有大量的小广告户。