Fu Yurou understood the principle that things are valued for their scarcity. Besides, she had no desire to disrupt the market and attract the attention of the Main System. After all, wealth is best kept quiet; being watched by others was never a good thing.
As for the differences between systems, she asked, "This system of yours—is it like a mobile phone? Does everyone where you come from have one?"
The system replied, "Yes. Daily travel and identity verification all require a system."
Chapter 589