How to extracting multiple similar markdown files and then displaying those markdown files ?

[CocaineCong]

How to extracting multiple similar markdown files and then displaying those markdown files?

we are usually extracting multiple similar markdown files like this:

and if I want to use these markdown files in somewhere, I will reference them like this:

xxxxxx...
{{ xxx.md }}
xxxxxx....

so i wanna ask for how to do this in nextra ?