Please renew your employment contract at least thirty days before its expiration date.

請在僱用合約到期日前至少三十天辦理續約。

Upon the expiration of the lease, the company will relocate to a larger office downtown.

租約到期後，公司將搬到市中心一間更大的辦公室。

Customers will receive a reminder email two weeks before the expiration of their service agreement.

客戶會在服務合約到期前兩週收到提醒電子郵件。