C40 Buy underwear with me

"Lin Feng, what do you think happened with the computer?"

"Lisa, when computers are used for a long time, they will always have a lot of bad files, trash files, and even some fragments. When they suddenly stick together one day, the computer will crash and a system can be reinstalled." I'll try to make it as simple as possible.

"Where did the system come from?"

"System, generally speaking