Today is a historic occasion for our country.
今天是我國具有歷史意義的日子。
He used the occasion to announce further tax cuts.
他利用這個機會宣布再次減稅。
They issued a special set of stamps to mark the occasion.
他們特別發行了一套紀念郵票。
I've had no occasion to visit him recently.
我最近無緣去拜訪他。
Their wedding turned out to be quite an occasion.
他們的婚禮辦得相當隆重。