sum是一个雅思常考词汇，这个词的常用解释为n. 总数， 和； 金额； 算术题； 要旨v. 合计， 总计，这个词在很多英文原版小说中怎么应用呢，今天小编就带您了解一下。
在儒勒·凡尔纳的《海底两万里》里，有这样的句子出现：
-- To sum up all, it is reckoned that if the bottom of the sea were levelled, its mean depth would be about one and three-quarter leagues."
-- It contains the sum of my studies of the sea; and, if it please God, it shall not perish with me.
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