first refusal
noun [ U ] uk/ˌfɜːst rɪˈfjuː.zəl/ us/ˌfɝːst rɪˈfjuː.zəl/
优先购买权
the opportunity to buy something before it is offered to anyone else
My sister's selling her car and she's offered me first refusal on it. 我妹妹要卖她的车，她给了我优先购买权。