subtraction是一个雅思常考词汇，这个词的常用解释为n. 减法， 减去，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。
在刘易斯·卡罗尔的《爱丽丝漫游镜中世界》里，有这样的句子出现：
-- Try another Subtraction sum.
在查尔斯·狄更斯的《小杜丽》里，有这样的句子出现：
-- The worst class of sum worked in the every-day world is cyphered by the diseased arithmeticians who are always in the rule of Subtraction as to the merits and successes of others, and never in Addition as to their own.
在列夫·托尔斯泰的《安娜·卡列尼娜》里，有这样的句子出现：
-- And in what way a knowledge of addition and subtraction and the catechism is going to improve their material condition, I never could make out.
在西奥多·德莱塞的《嘉莉妹妹》里，有这样的句子出现：
-- Disposed as she then was to calculate upon that vague basis which allows the subtraction of one sum from another without any perceptible diminution, she was happy.
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