 |
| level: 15 phrases in 7 subjects |
| Abbreviation | 8 |
| Aviation | 1 |
| Business | 1 |
| Education | 1 |
| Programming | 1 |
| Telecommunications | 1 |
| United States | 2 |
|
| level: 15 phrases in 7 subjects |
| Abbreviation | 8 |
| Aviation | 1 |
| Business | 1 |
| Education | 1 |
| Programming | 1 |
| Telecommunications | 1 |
| United States | 2 |