You declare a class constant with the const keyword.

用const关键字声明类常量。

youdao

Embedding const ants in code is obviously foolish.

在代码中嵌入常量显然是愚蠢的。

youdao

If you don't need to change it, use const reference.

如果你不需要改变它，使用常量引用。

youdao

If you don't need to change it, use const reference.

如果你不需要改变它，使用常量引用。

youdao