求翻译：This contract shall endure for the benefit of and be binding upon the successors and assigns of the Seller and the Buyer but this contract shall not be assigned to be transferred by the Seller or the Buyer in whole or in part either voluntarily or by operation of law, without the written consent of the other party being first obtained but such consent shall not be unreasonable withheld.是什么意思？

待解决 悬赏分：1 - 离问题结束还有