translation.en: We need to be able to imagine going back and making a different choice, and then we need to be able to kind of spool this imaginary record forward and imagine how things would be playing out in our present.
translation.zh: 我们要想像如果能回到过去，作出不同的选择 那么我们就能据此想像未来 眼下的事情会如何发展