为了便于显示和打印而分解成多行。

For display and print purposes only, they are broken into multiple lines.

youdao

除首字母大写外、用小写字母打印并排序所有环境变量的多行循环。

A multi-line loop to print all the environment variables in lowercase, with the first letter uppercase, and sorted.

youdao

使用map，并且除首字母大写外、以小写字母打印并排序所有环境变量的多行循环。

A multi-line loop to print all the environment variables in lowercase, with the first letter uppercase, and sorted, using map.

youdao