a great business的用法和样例：
- He made a great business of learning to write.
- Ms Guo, You will have a great business success.
- And by surprise, it's actually a great business.
- Calligraphy is a fun hobby, a great business, and a creative art.
- He made a great business of making his coffee in the morning and frying himself a little bacon at night.
- He is a great guy, a chip off the old block.