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| 上下; 来回; 往返地; 高低; 浮沉; 盛衰; 上坡下坡; 起伏; 沉浮; 迂回曲折 | |||
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ups and downs : 20 phrases in 10 subjects |
| Automobiles | 7 |
| Business | 2 |
| Commerce | 1 |
| Dentistry | 1 |
| Finances | 1 |
| Metallurgy | 2 |
| Project management | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| Textile industry | 3 |
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