quantity 书面用词,指事物的总量和总数量,侧重大批计量,含准确测量的意味。
amount 普通用词,与quantity近义,但强调整体,指把所有数量、重量及度量归并在一起得出的总数。
number 普通用词,指人或物的数目,强调数的概念。
sum 普通用词,指简单加算的结果。
参考例句
1. The bill amounts to$102. 此账单共计102美元。
2. So amount and speed is very important. 所以,数量和速度是很重要的。
3. How much do profits, on the average, amount to? 那么,平均而言,利润的总量又有多少呢?
英英解释
n.
1. how much of something is available
2. a quantity of money
3. how much there is of something that you can quantify
4. a quantity obtained by the addition of a group of numbers v.
1. be tantamount or equivalent to
2. add up in number or quantity
3. develop into