Because she originally wanted to cut her hair short, now if she can sell it for money, it's quite an unexpected delight.
After everyone left the barbershop, the owner snipped her hair close to her ears, and then trimmed it nicely, giving her a copper coin for selling her hair.
A copper coin?
If she remembered correctly, the currency during the period of the Republic of China was the most chaotic. Copper coins were clearly the early currency, one copper coin could be converted to ten cents, ten copper coins were one dime, and later they kept depreciating. Anyway, it was a mess, and for someone like her, who lacked hearing, surviving in the Republic of China would be a bit difficult. She needed to find a way to translate what others were saying into written words.
