It is a refusal of the offer which will be invalid and unbinding once a counter-offer is made.

还盘是对发盘的拒绝，一旦作出还盘，原报盘即失效而失去约束力。

youdao

It is a refusal of the offer which will be invalid and unbinding once a counter-offer is made.

还盘是对发盘的拒绝，一旦作出还盘，原报盘即失效而失去约束力。

youdao