People who "do business" through time travel can achieve things that are impossible to achieve now, or reduce some regrets. What kind of stories do such people have? We all have loved ones, but due to the conditions at that time, we had to separate, and we have more or less regrets. If time goes back, will the person who stays with you in the end be the one you love the most? In the face of time, we are all old boys who have not grown up, true or false...
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