The CEO made only a fleeting appearance at the annual meeting before leaving for the airport.

執行長在年度會議上只短暫露面，隨即就前往機場。

Low airfares to Tokyo are a fleeting opportunity, so book your tickets this week.

飛往東京的低價機票稍縱即逝，請在本週內訂票。

The spike in online orders proved fleeting, and sales returned to normal by Friday.

線上訂單的激增只是曇花一現，到了週五銷量就恢復正常。