你是如何偿还这么多债务的？
六十七年间，他偿还债务合计一万三千六百多元。[{'character': '六', 'pinyin': 'liou4', 'highest pitch': 11.22, 'lowest pitch': 9.67, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '十', 'pinyin': 'shiii2', 'highest pitch': 9.75, 'lowest pitch': 8.84, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '七', 'pinyin': 'qi1', 'highest pitch': 10.85, 'lowest pitch': 8.84, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 10.62, 'lowest pitch': 6.25, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '间', 'pinyin': 'jian1', 'highest pitch': 8.52, 'lowest pitch': 6.49, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.23}, {'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.61, 'lowest pitch': 9.4, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '偿', 'pinyin': 'chang2', 'highest pitch': 9.4, 'lowest pitch': 7.52, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '还', 'pinyin': 'huan2', 'highest pitch': 9.19, 'lowest pitch': 7.68, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '债', 'pinyin': 'zhai4', 'highest pitch': 9.95, 'lowest pitch': 7.27, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '务', 'pinyin': 'u4', 'highest pitch': 7.27, 'lowest pitch': 6.24, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '合', 'pinyin': 'he2', 'highest pitch': 7.59, 'lowest pitch': 7.21, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '计', 'pinyin': 'ji4', 'highest pitch': 8.64, 'lowest pitch': 6.66, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 9.6, 'lowest pitch': 7.36, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '万', 'pinyin': 'uan4', 'highest pitch': 10.29, 'lowest pitch': 8.28, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.01, 'lowest pitch': 8.28, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '千', 'pinyin': 'qian1', 'highest pitch': 10.23, 'lowest pitch': 9.76, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '六', 'pinyin': 'liou4', 'highest pitch': 11.22, 'lowest pitch': 9.28, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '百', 'pinyin': 'bai3', 'highest pitch': 7.28, 'lowest pitch': 4.93, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 6.51, 'lowest pitch': 6.15, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '元', 'pinyin': 'van2', 'highest pitch': 6.52, 'lowest pitch': 5.02, 'duration': 0.33, 'prosody hierarchy': '#4'}]