She usually has an opinion about whatever subject/topic/issue is 'under discussion'. [=being talked about]
The proposal is 'up for discussion' [=the proposal will be talked about] at today's meeting.
After much 'discussion' of the plan, the idea was rejected entirely.
(..) MAGGIE: Oh. Okay, settle down. Take your seats. Thank you, thank you. Thank you, Stan. Thank you. Okay, today we will be continuing our discussion on human sexuality. And as we discussed, the official school policy is abstinence. Now, that is very sensible. I'm glad that someone here (..)2009 17 Again