calculate、count、compute与reckon这些动词均含有“计算”之意。
calculate : 通常指要求细致精确和复杂的计算，以解决疑难问题，多用于自然科学、生产部门或要求专门计算的场合。
- The cost of the damage caused by the recent storms has been calculated as/at over £5 million.
据计算，近期风暴造成的损失超过了500万英镑。 - The new tax system would be calculated on the value of property owned by an individual.
新税制将按照个人财产价值计算税额。
count : 指逐一计算而得出总数。
- Let's count out loud (= speak the words) from one to ten.
我们来大声地从1数到10。 - The teachers counted the students as they got on to the bus.
学生们上车时老师点了一下人数。 - Count your money carefully to make sure it's all there.
好好数数你的钱，看看是不是都在。
compute : 一般指已有数据的，较简单但数字长的数学运算。
- Compute the ratio of the object's height to its weight.
计算一下该物体的高度和重量之比。
reckon : 通常指较简单的数学计算，也可指心算。
- Angela quickly reckoned the amount on her fingers.
安吉拉掰着手指头快速计算了一下数量。 - The inflation rate is now reckoned to be 10 percent.
据计算，现在的通货膨胀率是10%。
