Today is a historic occasion for our country.
今天是我国具有历史意义的日子。
He used the occasion to announce further tax cuts.
他利用这个机会宣布再次减税。
They issued a special set of stamps to mark the occasion.
他们特别发行了一套纪念邮票。
I've had no occasion to visit him recently.
我最近无缘去拜访他。
Their wedding turned out to be quite an occasion.
他们的婚礼办得相当隆重。