名词
中文翻译：过路费率
同义词：
['transportation charge', 'toll rate']
例句：
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1.The government has decided to increase the overhead rate on fuel taxes.
政府决定提高燃油税的过路费。
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2. The new highway will have a higher overhead rate than the old one.
新高速公路的过路费将比旧的要高。
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3.The overhead rate for this service is 5% of the total fare.
这项服务的过路费是总费用的5%。