1. 促进；提倡

They discussed how to promote cooperation between the two countries.

他们讨论如何促进两国间的合作。

2. 提升，晋升  

He has been promoted to general manager.

他已被提升为总经理。

3. 使(学生)升级 

Will he be promoted to the next higher grade?  

他能升到高年级吗?

4. 宣传，促销(商品等)

How do enterprises promote their products? 

企业如何推广自己的产品？