1(after a noun) between; among; amid
2(used after certain bisyllabic words to form expressions indicating a short period of time, e.g. 彈指之間|弹指之间)
Examples
gōng yìng供应hé和xū qiú需求zhī jiān之间de的guān xi关系shí fēn十分mì qiè密切。
供应和需求之间的关系十分密切。
There is close relationship between supply and demand.
两人之间的距离已拉近。
The gap between them has narrowed.
这部电影在年轻人之间很流行。
This movie is very popular among young people.