1、 It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance, including sending maintenance staff, often at night, to inspect and repair the rail infrastructure.
据计算,仅欧洲铁路每年就在维护上花费约200亿欧元,包括经常在夜间派遣维护人员检查和维修铁路基础设施。
来源:2022年普通高等学校招生全国统一考试英语乙卷
2、 We calculated the cost to the nearest 50 dollars.
我们计算费用约为50元。
来源:秒词邦精选例句