Once a sale or auction has finished, comments may be posted by anyone.

出售或拍卖结束后，欢迎发帖评论。

youdao

To try to prevent security worries clogging cross-border trade, American customs officials may be posted throughout Mexico.

ECONOMIST: Mexico, the United States and drug gangs

On the morning of the event, NASA will open a thread on its Facebook page where questions may be posted.

ENGADGET: blogger-avatar

The hitch is that, while more officers may be posted locally, they are still expected to serve national masters.

ECONOMIST: Policing