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| challenge | |
| econ. | 拒绝 |
| exhib. | 难题 |
| fenc. | 挑引; 引诱 |
| footb. | 争抢; 阻截 |
| interntl.trade. | 申请回避; 宣布反对 |
| lab.eq. | 攻击; 激发 |
| AND | |
| el. | 与; 逻辑电路"与" |
| and | |
| gen. | 并; 及; 和; 及; 加; 并且 |
| busin. | 以及; 与 |
|
challenge and : 12 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Business | 1 |
| Cryptography | 1 |
| Economics | 1 |
| Finances | 1 |
| Information technology | 2 |
| Name of organization | 1 |
| Project management | 1 |
| Telecommunications | 2 |