The meeting was originally scheduled for Monday but has been moved to Thursday.

這場會議原先排在星期一，但已改到星期四。

Our client originally ordered fifty units, then doubled the quantity last week.

我們的客戶原先訂了五十件，上週又把數量加倍。

The flight was originally set to depart at noon, but weather caused a delay.

這班飛機原定中午起飛，但因天候因素延誤。