put it there! idiom informal
（达成协议或取得一致意见时的用语）握个手吧！
something that you say when you want someone to shake your hand to show that you have just made an agreement
"So, do we have a deal?" "Sure, put it there." “那么，我们达成协议了？”“当然，我们握手庆祝一下吧。”