有关展览的事情，主要指展览活动matter relating to an exhibition

• 他们都将参加有关展事活动。

  They will all attend an event related to the exhibition.

• 首次列入艺术节主要活动项目的美术展览全线铺开，展事不断。

  The art exhibition, which is being included in the main event of the art festival for the first time, is being rolled out across the board, and exhibitions are being held constantly.