a didactic manner的用法和样例：
- Most of the articles in the magazine are of a didactic nature.
- More than once during the years that I had lived with him in Baker Street I had observed that a small vanity underlay my companion's quiet and didactic manner.
- Prejudice determines the relativity and absoluteness of understanding,which is a didactic unity of the two.
- Legislatures often act in a negatory manner.