HSK 3
Wǒmen xūyào jiù zhège wèntí zài shāngquè yíxià.
We need to deliberate on this issue further.
HSK 4
Tā de jiélùn zhídé shāngquè.
His conclusion is open to debate.
HSK 7-9
Zhège fāng'àn háiyǒu shāngquè de yúdì.
There's still room to discuss this plan.