四级词汇caution（解析四级词汇amount）

vt.①（to）合计，共计 ②（to）等同，接近

n.①量，数量，数额 ②总额，总数

• The cost of living amounts approximately to five hundred dollars. 生活费总数达500美元。
• He owed Jim 900 dollars but could pay only half that amount. 他欠吉姆900美元，但只能偿还总数的一半。

搭配：

amount to 合计，等于，相当于

Keeping what belongs to another amounts to stealing. 将他人之物占为己有等于偷窃。

in amount 总计，总之

The capital sunk in it is fabulous in amount. 投入的资金总数惊人。

辨析：

amount 累积的结果，是到目前为止的总数，并且有继续增加的可能

They have only a vague idea of the amount of water available. 他们只是大概知道可用水的总量。

sum 简单累积的结果，也可指一笔钱

What are you doing fooling with such a staggering sum of money? 你拿着这么一大笔钱瞎折腾什么呢？

total 指结果的总和，常指大的数量

The total cost of the project would be more than 240 million. 该项目的总成本会超过2.4亿美元。