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

A lager's more refreshing, in my opinion, but ale's a bit of an old man drink.

窖藏啤酒更令人振作精神，这是我的观点，麦芽啤酒是老人喝的。

英国的啤酒 - SpeakingMax英语口语达人

Now, it used to be in the old days before I had kids, I could list off 15 current movies and help you a bit more with your dating strategy by giving you instant movie reviews, but now I have kids, I get to see precisely two movies a year, and the two movies I got to see this year were The Bourne Ultimatum and the Good Shepherd.

在我有孩子之前,我能列出15部热映的影片,我还能给你们提供不错的影评,帮助各位制定约会策略,但是现在我当爸爸了,我每年只能看两部电影,我今年看的两部就是,《谍影重重》和《特工风云》

耶鲁公开课 - 博弈论课程节选