docs: private List<List<Term>> seg2sentence(String text) {
          List<String> sentenceList = toSentenceList(text);
          List<List<Term>> resultList = new ArrayList<List<Term>>(sentenceList.size());
          for (String sentence : sentenceList) {
              resultList.add(analysis.parseStr(sentence).recognition(sr).getTerms());
          }
          return resultList;
      }