My answer is, you can't change one but you can create a new one that is almost like the old one but different in a little bit.

既然你不能改变元组,你可以新建一个跟原来的元组,大体上一致但有细微差别的元组。

麻省理工公开课 - 计算机科学及编程导论课程节选

It has grown enormously and really provides a way for students who have creative innovative ideas about how they could create social change, and the Pay Center works with them and tries to implement those ideas.

现在它的规模扩大了很多，真正能帮助,有创新思想的学生,实现社会的改革，和这些学生们一起工作,来实践这些理念。

普林斯顿公开课 - 人性课程节选

It is the skill possessed by the greatest statesmen you might say the fathers of the constitutions as it were who create the permanent framework in which allows later and lesser figures to handle change.

这是最优政治家所应具备的技能,你也可以说,即是宪法之父,如同前人所公认，他创建永恒的架构,让后代及门徒们,能用以应付变革。

耶鲁公开课 - 政治哲学导论课程节选