逆ぎゃく提てい案あん

noun

counter-proposal

A proposal made in response to another proposal, often in business or negotiation contexts.

• 先せん方ぽうの提てい案あんに対たいして、こちらから逆ぎゃく提てい案あんを出だした。

  We made a counter-proposal in response to their proposal.