a minimum wage system的用法和样例：
- The minimum wage system has been experiencing intense disputation ever since it was born.
- The minimum wage system shall be improved and the wage guidelines and the guidance price level system for the labor market be enforced across-the-board.
- They want legislation for a minimum wage of HK$30 per hour.
- We improved our policy to stimulate and expand employment by encouraging business startups, and enforced the minimum wage system.