an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one" "four minus three equals one"
noun [抽象名词]减去；（数）减，减法
We can use the magic of subtraction. 我们可以利用减法的魔力。
subtraction
“ -tion” ⌜ 表示某种行为、状态或结果 - indicating an action, process, or result ~ ⌟
