subtraction

In other words, we can use the magic of subtraction.

换句话说，我们可以借助减法的魔力。

It also lets you perform mathematical operations like addition, subtraction, division, and multiplication on two statistics.

它还允许您对两个统计数据执行诸如加、减、乘、除等数学运算。

Atomicity enables the two operations -- the subtraction from the savings account and the addition to the checking account -- to be treated as a single transaction.

原子性使得这两个操作 —— 从储蓄帐户减钱和向支票帐户加钱 —— 被当作单个事务进行处理。