当谈话中的人们知道他们在指什么，双方都不言自明时通常用形容词的所有格，像mine / 我的和 yours / 你的和 his / 他的和hers /她的。

We usually use possessive adjectives, like mine / mine and yours / yours and his / his and hers / hers, when the people speaking know what they are referring to and it is understood by both.

youdao

我自己则从未想过词尾上怎么会带上了这个s，不过现在我知道了这个属格的s跟玛丽的房子(Marys house)里的所有格的s在语法上都是亲兄弟。

I'd never thought about how that s got there, but now I see that that genitive s is just a grammatical sibling of the possessive 's in Mary's house.

youdao

我穿上（ 我的）拉练服，走了出去。（省略人称代词的所有格）

I put on my zip suit and went out.

youdao