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拨数 : 21 phrases in 11 subjects |
| Advertising | 1 |
| Agriculture | 2 |
| Business | 3 |
| Economy | 2 |
| Electronics | 2 |
| Finances | 2 |
| International trade | 1 |
| Project management | 1 |
| Securities | 1 |
| Technology | 4 |
| Telecommunications | 2 |
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