Perhaps we'll learn more at the briefing this afternoon.也许我们会从下午的通报会上了解更多情况。

They're holding a press briefing tomorrow.他们明天将举行一个新闻发布会。

Security staff did not then receive any briefing before they started each shift.安保人员每次开始轮值前并没有人给他们介绍基本情况。