这辆车每年的养护费用越来越多了。
随着公路交通量的增长，公路的养护费用支出逐年加大。
Along with the increase of the highway's traffic volume, the maintenance cost of the highway is increasing year by year.
另外，这样的惩罚性球场从长远来看得耗费高额的养护费用。
In addition, such penal courses proved to be expensive to maintain over time.
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