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gelegentlich |
at intervals: 34 phrases in 12 subjects |
Diplomacy | 1 |
Economy | 2 |
Finances | 1 |
Foreign trade | 2 |
General | 12 |
Information technology | 1 |
Measuring instruments | 1 |
Microelectronics | 3 |
Optics branch of physics | 4 |
Sports | 2 |
Technology | 4 |
Transport | 1 |