a more positive development的用法和样例：
- We must take a more positive attitude to life.
- Weighing is inherently a more positive and accurate method.
- However,a third-generation political leader has now taken the initiative to re-define this part of our history and make a more positive assessment of future development.
- However, an aggregate of Asian bonds gives a more positive picture.
- They sought advice on how to project a more positive image of their company.