announcement 
英 [əˈnaʊnsmənt]  美 [əˈnaʊnsmənt] 
n. 布告，通告；宣布；启事

例句：
There has been no official announcement by either government. 

双方政府都没有发布正式消息。

following the announcement of her resignation 

她辞职的消息发布之后

He made his announcement after talks with the President. 

他与总统会谈后发布了消息。

I'd like to make an announcement. 

我有事要宣布。

The Home Office is expected to make an announcement about the situation this afternoon. 

英国内政部预计会在今天下午发表有关这一局势的消息。

He will place an announcement in the personal column of the Daily Telegraph. 

他将在《每日电讯报》的私人广告栏里刊登一则启事。