Duolingo has to be supplemented with reading and / or YouTube materials in the language of choice. Any language course the examples are necessarily contrived and never to your exact needs. But we have the internet and can look for (and hopefully find) something that matches our interests.
If you're looking to do business in Japanese... then you need to be looking at the NHK news app which has beginner resources. If you're looking to do scholarship in German or Spanish or cooking in French then you need to search for vocab resources connected to those tasks.
If you're looking to do business in Japanese... then you need to be looking at the NHK news app which has beginner resources. If you're looking to do scholarship in German or Spanish or cooking in French then you need to search for vocab resources connected to those tasks.