under discussion under discussion or in discussion?

under discussion under discussion or in discussion? under discussion是什么意思 请问是under discussion or in discussion? from what has been under discussion under discussion 和in disscussion 的区别 Some people know little about the topic under discussion. ____ we will do next is still under discussion.这里是主语从句吗?怎么分析? when and where to set up the city football club__ a have discussed b is under discussion What he said just now nothing to do with question ___ discussion.A,on B,in C,under D,at He told us wheather ____ a picnic was still under discussion. A. to have B.having C.have D. had it is still under discussion _the old bus station should be replaced with a modern hotel or not 英语中表被动含义的介词词组under discussion,…on show,…for sale,…类似的还有那些? discussion是什么意思? discussion意思? discussion是什么意思 situated discussion under under