If I had a round coin, I would grind it into a lovely smiling face, pin it on my collar, and let the happy smiling face accompany me and make me happy.
If I had a round coin, I would buy two lollipops, one for myself and the other for my lover. After all, life is too difficult, so we should always give ourselves a little sweetness.
If I had a round coin, I would buy a fertilized egg, because I have an incubator that can hatch a chicken. If it is a hen, then I may have eggs to eat.
If I had a round coin, I would save it. After all, it is really inconvenient to pay in cash on WeChat now.
If I had a round coin, I would print paper on it and draw its lines with a pencil.