A Business firm went insolvent的用法和样例：
- Olaf is going to put in for a job with a business firm.
- He entered into negotiations with a business firm last week .
- He entered into negotiations with a business firm last week.
- Unfortunately an actor who cannot even be punctual should not be expected to manage a business,and it was not long before the firm went bankrupt.
- What's the word for someone who's in charge of a business firm ?