diplomatic notification

例句：

1. 1. The diplomats have issued a diplomatic notification about the upcoming summit.
   外交官们发布了关于即将到来的峰会的外交通知。
2. 2. The company has received a diplomatic notification from the foreign government regarding the trade agreement.
   公司收到了外国政府的关于贸易协定的外交通知。
3. 3. The diplomats were notified that they had to attend the meeting at the earliest convenience.
   外交官们被告知他们必须在最方便的时候参加会议。