Copying and pasting tables into Tettra is not supported yet (tables are hard 😨). If you're interested in this feature, get in touch by starting a chat with us and we can notify you when it's ready.
One solution is to embed an Airtable by clicking "Embed" on a Tettra page, and then you can embed it on multiple pages:
To embed, you'll need to grab your "Shared Table view" link from Airtable, accessible via the "Share" button:
For more Airtable guidance, check out their documentation here.