a crusade against corruption的用法和样例：
- It's a crusade against corruption.
- Thousands of people took to the streets to crusade against corruption in the government.
- The students are crusading against corruption.
- Honorius also undertook a crusade against the Moors in Spain (1218) and settled the Barons' War in England (1223).
- The hugely influential conservative author of “The Purpose-Driven Life”, a multimillion-selling tome, has embarked on a crusade against AIDS.