a one-day management seminar的用法和样例：
- Robbie Fowler today spoke of his ambition to one day manage Liverpool.
- He dreams of one day becoming a famous violinist.
- One day, Mr Ampere go out for a walk in the street.
- He drives like a nut he'll kill himself one day.
- The longer there is no solution, the greater the risk that the lunatic fringe, abetted by the likes of Iran's president, may one day manage to drop a bomb on the Jewish state.