code: def _get_content(self, params, mode_translate):
          
          token = self._get_token()
          headers = {'Authorization': 'Bearer '+ token}
          parameters = params
          translation_url = mode_translate
          return self._make_request(parameters, translation_url, headers)
docs: This method gets the token and makes the header variable that 
              will be used in connection authentication. After that, calls 
              the _make_request() method to return the desired data.