To make the typesetting of mixed Chinese and English characters more elegant and legible, it is necessary to add an additional spacing between them as a convention. When I’m editing Emacs Org or LaTeX files, I will manually add a white space to achieve this effect. When I’m writing articles in LibreOffice, it is already supported and controlled by the Asian typography part in paragraph style configuration. A simple enabling of the option “Apply spacing between Asian and non-Asian text” will do the work, which is usually the default setting.

Figure Add spacing between Asian and non-Asian text in LibreOffice.