使用'On'和'Upon'的短语动词 - 沟通或讨论（开）

to officially ask a person or organization to do something

to speak at length in a tedious manner, often to the point of being boring or uninteresting

to provide more details, information, or a more comprehensive explanation about a particular topic or idea

to have a good, friendly, or smooth relationship with a person, group, or animal

to start discussing or addressing a specific topic or subject in a conversation or discussion

to repeatedly talk or complain about something, often in an annoying or boring manner

to flirt with someone, often with romantic or sexual intentions

to declare one's judgment or authoritative opinion about something

to inform someone about something or someone useful

to talk or write in a long, unfocused, and aimless way

to inform someone of surprising news or information

to briefly mention a subject in written or spoken discussion

to talk continuously about unimportant matters