The new branch office will officially open to customers on the first Monday of March.

新分公司將於三月的第一個星期一正式對顧客開放。

Your vacation request has been officially approved by the HR department, so please book your flights.

您的休假申請已經由人資部正式核准，請預訂機票。

The merger was officially completed after both boards signed the final agreement last Friday.

兩家公司的董事會上週五簽署最終協議後，合併案正式完成。