The exact words are as follows:

【shù】？ Number, quantity, number, number theory, numerical control.

[shǔ]？ Countless, count to nine, count down, count to say, count to forget your ancestors.

[Shuo]? Not uncommon

Number: it is an abstract concept used for counting, marking or measuring, and it is a simple symbolic record form (or measurement) of things with the same nature or homogeneity. A series of symbols representing numbers, including numbers and operation symbols, are collectively called the numeration system.

In daily life, numbers usually appear on signs (such as roads, telephone numbers and house numbers), serial indicators (serial numbers) and codes (ISBN). In mathematics, the definition of number is extended to include abstract concepts such as fraction, negative number, irrational number, transcendental number and complex number.

Extended data:

1, number, pinyin shωmω.

Refers to the quantity of something.

Quote: Wei Wei's Oriental, Chapter 1, Part 4: "He counted the number of bombs with his fingers quickly but unhurriedly."

2, countless, pronounced shǔ, China idiom.

The explanation is that it is impossible to calculate the quantity, and there are many descriptions.

Quote: Feng Ming Menglong's Yu Shi Ming Yan, Volume 22: At one time, chaos will rise, crumble, and countless people will drown.

3, the number is not new, the pronunciation is Shuo Jian bùXiān, a China idiom.

This means that for regular customers, killing animals is not for entertainment. I often see my back fingers, which is not novel.

Usage: This kind of thing is common now, so why make a fuss?