请你给我具体解释一下哪些业务存在手续瑕疵。
四是部分业务存在手续瑕疵。[{'character': '四', 'pinyin': 'sii4', 'highest pitch': 10.81, 'lowest pitch': 9.68, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.68, 'lowest pitch': 7.71, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '部', 'pinyin': 'bu4', 'highest pitch': 10.99, 'lowest pitch': 10.06, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '分', 'pinyin': 'fen5', 'highest pitch': 10.12, 'lowest pitch': 8.63, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 8.63, 'lowest pitch': 7.11, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '务', 'pinyin': 'u4', 'highest pitch': 7.33, 'lowest pitch': 6.31, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '存', 'pinyin': 'cuen2', 'highest pitch': 7.4, 'lowest pitch': 6.11, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.33, 'lowest pitch': 6.66, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 13.41, 'lowest pitch': 4.63, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '续', 'pinyin': 'xv4', 'highest pitch': 9.79, 'lowest pitch': 4.79, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '瑕', 'pinyin': 'xia2', 'highest pitch': 8.91, 'lowest pitch': 5.52, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '疵', 'pinyin': 'cii1', 'highest pitch': 9.09, 'lowest pitch': 5.86, 'duration': 0.35, 'prosody hierarchy': '#4'}]