obstacles : 78 phrases in 20 subjects |
Commerce | 11 |
Communications | 10 |
Economics | 3 |
Education | 3 |
Electric machinery | 2 |
Electronics | 2 |
Finances | 3 |
General | 4 |
Hobbies and pastimes | 3 |
Information technology | 3 |
International trade | 4 |
Isolation | 1 |
Law | 3 |
Life sciences | 2 |
Medical | 1 |
Politics | 1 |
Power lines | 1 |
Social science | 2 |
Taxes | 1 |
Transport | 18 |