Translation of "Exchanged" in Chinese

They exchanged formal greetings.

他们礼节性地相互打了个招呼。

I exchanged stamps with him.

我和他交換了郵票。

Both parties exchanged ideas cordially in the discussion.

双方在会谈中友好地交换了看法。

We exchanged pleasantries, and chatted cordially about news in the team, and he moved the conversation naturally on to the main topic.

照例寒暄了一阵，照例闲扯扯队里的新闻以后，他在不知不觉中就把谈话引入了正题。