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经营系统 : 30 phrases in 14 subjects |
| Advertising | 1 |
| Aviation | 1 |
| Business | 3 |
| Ecology | 1 |
| Economy | 4 |
| Electronics | 1 |
| Information technology | 2 |
| Management | 4 |
| Marketing | 1 |
| Metallurgy | 1 |
| Name of organization | 1 |
| Planning | 1 |
| Securities | 1 |
| Technology | 8 |
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