def wr_txt_gos(self, fout_txt, **kws_usr):
        """Write an Excel spreadsheet with user GO ids, grouped under broader GO terms."""
        # Keyword arguments: control content: hdrgo_prt section_prt top_n use_sections
        desc2nts = self.sortobj.get_desc2nts(**kws_usr)
        # Keyword arguments: control txt format
        self.wr_txt_nts(fout_txt, desc2nts)
        return desc2nts