Step 2: Researching potential solutions

Moodle already supports a range of languages through installable language packs, and for version 3.1, these are listed at https://download.moodle.org/langpack/3.1/. The language pack we need is zn_ch.zip, which is simplified Chinese Mandarin. Follow the instructions at https://docs.moodle.org/31/en/Language_packs to install this pack into your local development Moodle:

Having installed the relevant language pack, we can now experiment with creating a test Moodle user whose native language is simplified Chinese:

Having satisfied ourselves that we can switch to the Chinese language, we now need to assess options for displaying two languages on the screen at the same time. For that--and in the spirit of social constructivist learning in general--we need to go out into the world... Let's start with the main Moodle website at https://www.moodle.org.