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letter of reference |
调査信 : 28 phrases in 12 subjects |
Agriculture | 1 |
Aviation | 1 |
Business | 2 |
Construction | 1 |
Economy | 9 |
Finances | 2 |
Intelligence and security services | 1 |
International trade | 1 |
Marketing | 1 |
Oil / petroleum | 3 |
Technology | 5 |
Textile industry | 1 |