If I could choose anything, I'd go for a time machine so that I could go back and do some things differently.

如果我什么都可以选，我会要一台时光机，这样我就能回到过去，做点不同的事。

youdao

I wish I could go back in time to when I was a kid and say some of the things in a different way!

我希望我能回到我还是个孩子的时候，换一种方式说话！

youdao

If I Could Go Back To College: Dealing with a Breakup.

要是可以回到大学时光，我会好好安抚那颗破碎的心。

youdao

And if I were to use that again, I'd just put it on your handout, I could go back and rewrite that thing that I had previously for finding the square roots of the perfect squares, just using the FOR loop. OK. What I want to do, though, is go on to-- or, sorry, go back to - my divisor example.

它可以是任意的集合,如果我又要去用这个方法的话,我会把它放在你们的课堂手册上的,我可以回过头去用FOR循环，重新写我们那个求平方数的程序，我想要做的是，是继续-哦抱歉,回到-我的除数那个例子。

麻省理工公开课 - 计算机科学及编程导论课程节选

So I could communicate with Alice on agreements, but back home I'm going to go ahead and choose Alpha anyway; all the better if she's choosing Beta.

所以我可以和爱丽丝说好了,但回家之后我还是可以选α的,要是她还选β那就更好了

耶鲁公开课 - 博弈论课程节选

Cos I ask them to go back to interview their parents or whoever they could find out information about themselves, just like the professor was interviewing people to find out his own background and his family, I want them to go home, and interview their parents or grandparents, or aunts and uncles.

因为我让他们回家去采访,父母或任何他们能搜集到,关于自己信息的人，就像教授采访人们,来发掘自己的背景和家庭，我希望他们回家去，采访他们的父母,或爷爷奶奶，或舅舅舅妈。

麻省理工公开课 - 媒体、教育、市场课程节选

"If I could go back to being a scientist, I would do it, " he says.

FORBES: Careers

"I was lucky enough that I could go back to my family, so I just stayed at my mum and dad's for the weekend, " he says.

BBC: Find the perfect disability carer, like online dating

Maybe not right now ... (but) if I could go back to that time and say, 'OK, you're trading my story for a six-month suspension?

NPR: Armstrong Turns Emotional In 2nd Part Of Interview