民事权利变更: alteration of private rightalternation of private right
享有: enjoy (rights, prestige,etc) 短语和例子享有崇高的威望 enjoy high prestige; be held in esteem; 享有很高的名望 bear a high reputation; 在某一企业中享有股权 have an interest in a business; 享有公民权 enjoy civil rights; 享有盛名