The WeChat dialog box that had been silent for eleven years suddenly lit up. She sent a message by mistake and then retracted it. He replied with a period of "Yeah." - The remark name "Little Shark" was changed by her in the fifth grade of elementary school because his QQ avatar looked like a blunt-toothed shark with a fake smile. He had not deleted or chatted with him in eleven years. She is the top student in the law school, specializing in international technology export control, and spends her days researching "Why do countries voluntarily abide by contracts in a system without central police?"; He is a master in the mechanical laboratory, specializing in ultra-precision motion control of photolithography machine workpiece stages. He sat in front of the oscilloscope for 72 hours in order to eliminate the steady-state error of a few tenths of a nanometer. Two people hold memory fragments to reconcile accounts. What kind of story will there be between them?
