動詞、潮語
喺社交網站中，留言喺個po度，以便收到之後嘅留言提醒 to leave a comment under a post in a forum or social networking site, so that one can receive notifications; literally: put down name
留名學嘢
留名学嘢
lau4 ming4 hok6 je5 leaving my name here to learn new things