你们的收费年限是多久？
收费年限分别持续至二零三二年及二零四零年。[{'character': '收', 'pinyin': 'shou1', 'highest pitch': 11.25, 'lowest pitch': 10.83, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 11.54, 'lowest pitch': 9.27, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 10.16, 'lowest pitch': 6.54, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '限', 'pinyin': 'xian4', 'highest pitch': 10.36, 'lowest pitch': 7.84, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '分', 'pinyin': 'fen1', 'highest pitch': 8.59, 'lowest pitch': 6.99, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '别', 'pinyin': 'bie2', 'highest pitch': 7.55, 'lowest pitch': 6.49, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '持', 'pinyin': 'chiii2', 'highest pitch': 7.76, 'lowest pitch': 6.28, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '续', 'pinyin': 'xv4', 'highest pitch': 8.19, 'lowest pitch': 6.33, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '至', 'pinyin': 'zhiii4', 'highest pitch': 12.22, 'lowest pitch': 6.29, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 12.77, 'lowest pitch': 7.9, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '零', 'pinyin': 'ling2', 'highest pitch': 10.16, 'lowest pitch': 7.29, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.63, 'lowest pitch': 8.76, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 12.77, 'lowest pitch': 7.79, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 10.16, 'lowest pitch': 6.08, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.08}, {'character': '及', 'pinyin': 'ji2', 'highest pitch': 12.38, 'lowest pitch': 6.64, 'duration': 0.33, 'prosody hierarchy': '#1'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 12.77, 'lowest pitch': 7.61, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '零', 'pinyin': 'ling2', 'highest pitch': 10.16, 'lowest pitch': 6.89, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '四', 'pinyin': 'sii4', 'highest pitch': 10.78, 'lowest pitch': 9.02, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '零', 'pinyin': 'ling2', 'highest pitch': 10.16, 'lowest pitch': 6.87, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 10.16, 'lowest pitch': 5.39, 'duration': 0.34, 'prosody hierarchy': '#4'}]