1. Set the default language that your app has in the plugin configuration
2. Now add auto translate on the page you want to translate
3. In default language place the default language of your page and in the second field a dynamic field with a field that indicates the user's selection.
4. Test your translated page
If you want some part not to be translated, use the notranslate class, using the 'classify plugin'
Demo Page:
https://demo-auto-translate-app.bubbleapps.io/version-test/?l=enEditor Page:
https://bubble.io/page?id=demo-auto-translate-app&tab=Design&name=index