acquaintanceships

Their acquaintanceship began at a conference.

他们的相识始于一次会议。

After years of casual acquaintanceship, they finally became close friends.

经过多年的泛泛之交，他们终于成了亲密的朋友。

The acquaintanceship between the two families was maintained through holiday cards.

两个家庭之间的交往关系通过节日贺卡得以维持。