The user has total control over the output: you can specify not only which columns will be printed, but also their order and width.

用户拥有输出完全控制权：你不仅可以指定哪一列将被打印，还可以设置它们的次序和宽度。

youdao

The user has total control over the output: you can specify not only which columns will be printed, but also their order and width.

用户拥有输出完全控制权：你不仅可以指定哪一列将被打印，还可以设置它们的次序和宽度。

youdao