为什么peasant family与worker's family的写法不同

He was born of a peasant family.和He was born in a worker's f he is from() andi am from()A.a worker family;a peasant famil I am from a worker\'s family是什么意思 请问family 是 集体名词,为什么还有a family这种写法,集体名词不是不能加a和s 英语翻译My Family My name is Li Hua.I am from a worker's family. 为什么family后面的动词要加-s The Green family和The Green's family的问题. 63._________ a cold night,he was born in a worker’s family.A family与families的用法 family Tom's family in one's family