Is Business proficient better than fluent?

Related questions

1. What is the difference between quality and efficiency?
2. Is intermediate or proficient better?
3. Is it cost effective or cost efficient?
4. What's an efficiency?
5. What are the different job levels?
6. What is the difference between proficient and excellent?
7. What is exchange efficiency?
8. What is level of proficiency?
9. Is Intermediate better than fluent?
10. Is conversational better than fluent?

Tags

1. #proficient
2. #terms
3. #native
4. #formality
5. #referring
6. #skilled
7. #language
8. #speaker
9. #label
10. #therefore
11. #while
12. #greater
13. #fluent
14. #familiarity