名词 “person/persons、people/peoples” 的基本含义都是 “人”，但它们之间的具体区别是什么？“Person” 和 “persons”，哪一个更加书面化？名词 “peoples” 的特殊含义是什么？
用法总结Person, persons, people and peoples
1 PersonA person is a human man, woman, or child. It is a singular countable noun. 一个 “person” 可以是一个男人、女人或小孩，它是单数名词。
There was one person at the door.
When did you see this suspicious person?
She's a very interesting person. You should talk to her.
2 People The plural of person is people. It refers to a group or a number of human beings. It is a plural countable noun.“People” 是 “person” 的复数形式，指一组人或一些人。“People” 是复数名词。
There were three people at the door.
How many people do you know?
The people who live here are very rich.
3 People and peoplesPeople can also mean nation. Peoples is the plural form of this meaning. Peoples means nations.“People” 也可以表示 “民族”。“Peoples” 是 “people” 表达这个意思时的复数形式。“Peoples” 的意思是 “多个民族”。
The Aztecs were a people that lived in the Americas.
The English are a creative people.
There are many peoples living on the Earth.
When the peoples of the Earth unite, we will have peace.
4 PersonsPersons is a more formal, more polite form of people. It's a plural countable noun and is most often seen written down - such as on signs, in newspapers and in the context of the law.“Persons” 是 “people” 更正式、更礼貌的说法。它是复数名词，多用于书面语中，比如在标语上、报纸上和法律文件中。
This lift can hold a maximum of 15 persons.
The police expect to catch the persons responsible for the theft.
My client has never seen these persons before and so he is innocent.
