Life is but a span, we should leam to do subtraction.

人生苦短，我们要学会做减法。

youdao

I've got one test there, and then I've just got one thing to do here, which has got a subtraction and a multiplication.

我在这里做了一个测试，然后我在这里做了一件事，就是做减法和乘法。

youdao

Instead symbols like + or * are used to define functions that can do things like normal numerical addition and subtraction.

相反，使用 + 或 * 等符号定义可以执行普通数字加减法的函数。

youdao

I've got one test there, and then I've just got one thing to do here, which has got a subtraction and a multiplication.

这儿有一个比较,然后在一个基本步骤里,做了一个减法和一个乘法两个基本操作。

麻省理工公开课 - 计算机科学及编程导论课程节选

Same sort of subtraction problem, what do we have for the ionization energy of the 2 s electron?

进行类似的减法运算,得到的，2，s，电子的电离能应该是多大呢？

麻省理工公开课 - 化学原理课程节选

The question is, will they do it by addition or subtraction?

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They do so by starting chain-reactions that result in the addition and subtraction of molecular sub-units known as phosphate groups from particular proteins in the nerve cell being stimulated.

ECONOMIST: The Nobel prizes: Informed choices | The

Subtraction by Addition: When things get hard, the inclination is to do more.

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