overall cost的用法和样例：
例句
- Packing charge is about 3% of the total cost of the goods.
包装费用占货物总值的百分之三。 - The cost of eating out has leapt as restaurants pass on the full cost of VAT.
当餐馆转嫁增值税的全部成本时，饮食的成本也急剧上升。 - The contractor will provide fai piaos to cover the total, increased cost of the installation contract.
承包商将会提供发票来代替安装合同所增加的全部成本。
词汇搭配
- over all 全面地
