 |
| |||
| сложная проблема; серьёзная проблема | |||
|
deep problem : 4 phrases in 3 subjects |
| Jargon | 1 |
| Makarov | 2 |
| Research and development | 1 |
|
| |||
| сложная проблема; серьёзная проблема | |||
|
deep problem : 4 phrases in 3 subjects |
| Jargon | 1 |
| Makarov | 2 |
| Research and development | 1 |