How to adjust space between two lines in the same paragraph of Joplin note?

For other support queries please indicate:

  • Joplin v2.1.9
  • markdown editor used
  • Win10 Pro v1909 (build 18363.1440)

Problems: as titled.

Thanks for any kinds of help!

Seriously? Please search for "space between lines" and you get your answers.

P.S.: Sorry, I really don't understand why people don't even try to search for it in the forum. That's why we have a forum, so that previous conversations help others.