According to the sources的用法和样例：
- Built according to the specifications of the buyer.
- According to the trial the mare was really hot stuff.
- Both sides should act according to the provisions of the agreement.
- First, many Re-fo rmers had been trained according to the canons of the recent humanist criticism, whose cry as ad fonts, or “(back) to the sources.
- According to the weather forecast it will rain tomorrow.