所用格式化通过用一个（与区域设置有关的）字符将小数点左边的数字按组分隔开，使得大数更容易阅读。

The formatting used makes large numbers easier to read by separating groups of digits to the left of the decimal point with a (locale dependent) character.

youdao

所用格式化通过用一个（与区域设置有关的）字符将小数点左边的数字按组分隔开，使得大数更容易阅读。

The formatting used makes large numbers easier to read by separating groups of digits to the left of the decimal point with a (locale dependent) character.

youdao