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| 关键; 重大 | |||
| very important: 31 phrases in 12 subjects |
| Aviation | 2 |
| Business | 3 |
| Dentistry | 2 |
| Economy | 4 |
| Electronics | 1 |
| Exhibitions | 2 |
| General | 5 |
| Logistics | 2 |
| Project management | 1 |
| Sports | 4 |
| Technology | 1 |
| Textile industry | 4 |
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