a primary signification的用法和样例：
- If we can resolve this problem, it will prompt to grow medium and small-scale enterprises, and then, it will promote our national economy in a fast and sound way, which has a primary signification.
- A primary cause of Tom's failure is his laziness.
- My father is a headmaster of a primary school.
- Freedom of worship was a primary guarantee.
- I want a job in a primary school.
- Check the solution against a primary standard.