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股票限额预托 (call, put, 买进、卖出) |
option to : 67 phrases in 13 subjects |
Animal husbandry | 1 |
Aviation | 3 |
Business | 13 |
Commerce | 1 |
Economy | 7 |
Finances | 8 |
General | 5 |
International trade | 1 |
Name of organization | 1 |
Project management | 3 |
Securities | 17 |
Technology | 4 |
United Nations | 3 |