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| 重复成本; 客重复费用成本 | |||
| 周期性成本 | |||
| 续生成本; 经常成本 | |||
| 经常性成本 | |||
| recurring cost: 17 phrases in 7 subjects |
| Aviation | 2 |
| Business | 2 |
| Economy | 4 |
| Electronics | 4 |
| International trade | 1 |
| Space | 1 |
| Technology | 3 |
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