knowledge innovation activities的用法和樣例：
例句
- The development of modern civilization can't deviate from innovative activity and practice.
現代文明離不開人的創新活動和創新實踐。 - The author advocates improving education and management ways, innovating activity carriers and perfecting work mechanism.
改進教育管理方法和手段，創新活動載體，完善工作機制。
