We had to alter the meeting schedule because two managers were traveling overseas.

由於兩位經理出國出差，我們必須修改會議時程。

The supplier altered the shipping date after the factory reported a parts shortage.

工廠回報零件短缺後，供應商更改了出貨日期。

Please do not alter the contract terms without approval from the legal department.

未經法務部門核准，請勿修改合約條款。