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scale fee | |||
proportional expense | |||
proportional cost | |||
proportional fare | |||
proportional charges | |||
proportional charge; proportional expenses |
比例费用 : 11 phrases in 6 subjects |
Advertising | 1 |
Business | 5 |
Economy | 1 |
International trade | 1 |
Space | 2 |
Technology | 1 |