challenges: 34 phrases in 16 subjects |
Construction | 1 |
Economy | 1 |
Electronics | 1 |
Environment | 3 |
Finances | 2 |
General | 4 |
Health care | 1 |
Information technology | 2 |
Law | 7 |
Medical | 3 |
Microsoft | 3 |
Natural sciences | 2 |
Patents | 1 |
Procedural law | 1 |
Social science | 1 |
United Nations | 1 |