它的，他的，她的(用于表示某物属于某东西、地方、动物、婴儿等)
You use its to indicate that something belongs or relates to a thing, place, or animal that has just been mentioned or whose identity is known. You can use its to indicate that something belongs or relates to a child or baby.
例句
The British Labor Party concludes its annual conference today in Brighton.
英国工党的年度会议今天在布赖顿闭幕。
...Japan, with its extreme housing shortage...
住房严重短缺的日本