One for public Internet access and one for private message passing interface.

一个用于公共internet访问，另一个用作私有消息传递接口。

youdao

Gordon Brown last night sent a private message to Sarkozy, expressing his support and wishing him a speedy recovery.

昨晚，戈登·布朗向萨科奇致以私人问候，表示了对他的支持，并希望他能迅速恢复健康。

youdao

I was in the chat room and about to log-off when a private message flashed on my screen. He was in his early 30s (or so he claimed) and lived in an older neighborhood far from campus.

我刚刚准备从聊天室下线的时候，屏幕上闪出一条私信——那个男人30出头(或者说他自称30出头)，住在远离我们学校的老城区。

youdao

Those who received the message also were more likely to make their MySpace pages private.

VOA: special.2009.02.03

He says private industry has been waiting for this kind of message.

VOA: special.2010.04.28

Often when that happens, someone from the company will send a private message to that person.

CNN: Get results by social networking with airlines

However, these arenas are difficult to come by and those discussions primarily occur via private message or email.

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Her Majesty will be sending a private message of sympathy to the family.

BBC: Ex-Prime Minister Baroness Thatcher dies, aged 87