✔ 最佳答案
person, 可數的, one person, two persons,
people, 已經代表[眾數], e.g. There are many people in the street.
但peoples就指有很多不同種族的人: There are different peoples in the world.
human=人類, 可以有[眾數]
man, 男人 而眾數是 men
woman, 女人 , 而眾數是 women
e.g. Men and women are all humans.