With so many variables, it is difficult to calculate the cost.
有这么多的'可变因素，很难计算出成本。
It is impossible to calculate what influence he had on her life.
现在无法估计他对她的生活产生过多大影响。
Fees are calculated on a sliding scale according to income.
按浮动费率制根据收入高低计算收费。
Benefit is calculated on the basis of average weekly earnings.
补助金按平均周收入计算。
It has been calculated that at least 47 000 jobs were lost last year.
据估算，去年至少47000人次失去了工作。